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Last updated: January 2026
This directory lists 91 precision grinding companies across the United States, from specialty shops handling optically flat surfaces for photonics to high-volume suppliers focused on bearing races and industrial shafts.
Buyers typically seek precision grinding services to address a spectrum of critical manufacturing problems. These often include achieving exceptionally tight geometric tolerances (such as flatness, parallelism, and perpendicularity), producing specific surface finishes (Ra, Rz) for sealing or tribological applications, or ensuring precise runout and concentricity for rotating assemblies, all while minimizing thermal distortion and potential subsurface damage.
The types of suppliers in this space vary significantly. You'll find highly specialized shops excelling in areas like jig grinding for intricate internal features or creep feed grinding for complex profiles, alongside high-volume operations utilizing banks of centerless grinders for production runs. General job shops might offer a broader range of grinding methods, while tool and die specialists focus on maintaining tight tolerances on hardened tooling.
To ensure a successful engagement, buyers should come prepared with fully dimensioned engineering drawings, ideally with GD&T specifications, material certifications, and clear definitions of critical features and inspection criteria. Suppliers, in turn, expect a thorough understanding of the part's functional requirements and target annual volumes to accurately quote and plan production.
A notable trend within precision grinding is the increasing integration of advanced automation and in-process metrology, moving beyond traditional post-process inspection. There's also a growing emphasis on grinding challenging materials like superalloys and advanced ceramics, pushing the boundaries of abrasive machining techniques and requiring more sophisticated grinding wheel specifications and cooling strategies.
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91 companies nationwide
Based in Easton, PA, AB Precision Grinding Co. provides AS9100D certified precision grinding services, including Blanchard, surface, creep feed, and double disc grinding. The company offers machining services for aerospace, space, and defense customers, emphasizing quality and competitive pricing.
Abrasive West LLC, based in Roselle, IL, specializes in precise creep feed grinding. They deliver highly accurate results with controlled depth and superior finishes, achieving tight tolerances for complex geometries. The company efficiently grinds challenging materials, serving aerospace, dental, firearms, IGT, and medical sectors.
Based in College Station, TX, Accurate Machine Works, Inc. specializes in comprehensive custom machining and manufacturing services. They offer precision grinding, including surface, cylindrical, ID, OD, and centerless grinding, alongside CNC milling and turning capabilities. The company provides expert fabrication for diverse industrial applications, delivering high-quality custom parts.
Based in Corona, CA, Accurate Grinding & Manufacturing Corporation is an AS9100D certified machine shop, founded in 1950. Specializing in aerospace precision grinding and machining, they produce tight-tolerance parts for aerospace firms. The company works with diverse materials, handling cylindrical components up to 30 inches long and 6 inches in diameter.
Acme Tool Grinding, based in Santa Ana, CA, specializes in precision cutting tool manufacturing and reconditioning. Operating since 1977, they utilize state-of-the-art ANCA CNC grinders for custom tools and regrinds. The company serves aerospace, automotive, and general manufacturing, committed to high-quality craftsmanship.
Based in San Jose, CA, ACM Grinding Co. is a 3rd generation precision grinding provider, specializing in centerless grinding services. The company emphasizes direct owner involvement from start to finish, reflecting the Williams' family commitment to quality and customer satisfaction in their operations.
Based in Burleson, TX, AERO CNC, INC. manufactures high-quality machined parts for various industries. The company is committed to delivering precise components efficiently, consistently meeting and exceeding customer requirements. They leverage technology and ingenuity to be a top producer in the field, ensuring growth and success.
Based in Santa Fe Springs, CA, Alpa Centerless Products Inc. provides precision grinding and thread rolling services. With over 30 years of experience, the company specializes in centerless grinding and CNC machining of various materials for critical sectors including medical, aerospace, defense, and automotive industries.
Based in Chicago, IL, American Grinding & Machine Company specializes in grinding, welding, and fabrication. It is one of the largest flat grinding shops in the U.S. operating twenty-two large surface grinding machines. The company provides high-volume grinding, custom weldments, and manufactures 'BRUTE' heavy-duty machine bases.
ARCH Medical Solutions offers precision grinding services, including flute, drill point, and thread grinding, for medical-grade stainless steel components. They manufacture surgical implants and instruments using high-speed CNC machines at FDA-registered facilities. Serving orthopedic, spine, dental, surgical robotics, and various medical device production needs nationwide.
Based in Santa Fe Springs, CA, Better Way Grinding, Inc. provides high-volume double disc grinding services. Established in 1963, this ISO 9001:2015 certified company offers precision grinding for a wide range of part quantities, processing over 40,000 pieces per hour for industrial clients.
B J Grinding Inc. provides precision grinding services from its facility in Burbank, California. The company offers a range of capabilities, supported by its equipment and workforce, to serve industrial customers. They cater to various manufacturing needs requiring high-tolerance finished parts.
Based in Houston, TX, Cassco Grinding & Machining offers precision grinding and machining services. The company prides itself on quality and innovation, employing degreed engineers to deliver solutions. They provide 24/7 service, working nights and weekends to meet client deadlines and ensure supreme manufacturing excellence.
Based in Dallas, TX, Commerce Grinding Company provides high-quality grinding solutions across North America since 1976. Specializing in precision Blanchard, surface, and ID/OD grinding to within.0001″, their full-service machine shop also offers waterjet, gun drilling, honing, and centerless long bar capabilities for diverse metal processing needs.
Based in Sylmar, California, Cowan Precision Grinding offers comprehensive precision grinding and honing services. They specialize in Blanchard, Surface, OD, ID, and Double Disc grinding, catering to critical sectors such as aerospace, defense, medical, and various commercial industries with high-quality solutions for complex components.
Based in Menomonee Falls, WI, Custom Production Grinding offers precision grinding and honing services. The company specializes in meeting incredibly tight tolerance demands for various industrial applications, ensuring high-quality and reliable manufacturing solutions.
Crush Master Grinding Corporation, based in Walnut, CA, specializes in precision grinding services. They offer Blanchard, surface, double disc, and cylindrical grinding for demanding industries. Their capabilities ensure tight tolerances and superior finishes for aerospace, medical, automotive, and general manufacturing applications with various materials.
Based in Downey, CA, Downey Grinding Co, Inc. has provided precision centerless grinding services to the aerospace industry since 1960. They specialize in infeed and thru-feed grinding for outside diameters from.030” to 2.500”, consistently achieving tight tolerances and superior finishes on various materials. The company employs automated grinders and adheres to MIL-spec quality standards.
Duval Precision Grinding, based in Santa Ana, CA, is a family-owned and operated company established in 1980. With over 40 years of experience, it provides exceptional and precise grinding services. The company is committed to delivering quality grinding solutions to meet diverse business needs.
General Grinding, based in La Mirada, CA, offers precision centerless, OD/ID, and surface grinding services. They achieve ultra-tight tolerances, down to.000030″, for materials like steel, stainless, and titanium. The company holds AS9100 Rev. D and ISO 9001:2015 certifications, serving aerospace, defense, and commercial sectors.
Great Western Grinding, Inc. based in Huntington Beach, CA, specializes in industrial grinding services. The company operates facilities to provide solutions for various commercial and manufacturing requirements, serving clients throughout the United States with their metal finishing needs.
Based in Itasca, IL, Grindal Company is an ISO 9001:2015 certified precision grinding specialist. With over 50 years of experience, they offer comprehensive services including OD, ID, centerless, surface, and rotary grinding. They handle parts from 0.032" to 18" diameter, up to 60" long.
Based in Houston, TX, Grinding Technology LLC specializes in carbide cutting tool manufacturing, regrinding, and machining services. The company utilizes cutting-edge technologies and advanced engineering to enhance customer productivity, efficiency, and cost savings. They provide high-quality tooling and consulting for industrial applications.
Based in Mason, OH, Hi-Tek Manufacturing provides precision machining operations. The company specializes in grinding and other precise manufacturing for applications such as hot gas path cooling holes, all performed under one roof.
Based in Houston, TX, South Coast Grinding, a division of H&M Plating Co. specializes in precision cylindrical grinding and honing. This ISO 9001 certified provider offers reconditioning services, including hard chrome plating and thermal spray, for oil, petrochemical, marine, and manufacturing industries. Operating 24/7.
Based in Houston, TX, Houston Centerless Grinding provides precision grinding and machining solutions. Services include centerless grinding, shaft straightening, and CNC shaft turning. The company specializes in achieving tight dimensional tolerances and superior surface finishes for complex parts across a wide range of industries.
Hi-Precision Grinding & Manufacturing specializes in precision centerless, OD, and thread grinding. They produce complete parts via turning, milling, and lapping, achieving tolerances down to 10 millionths. The AS9100-certified company serves aerospace, defense, scientific instrument, and medical device markets.
Based in Gardena, CA, Industrial Precision Grinding has served Southern California since 2005. They specialize in Double Disc, Blanchard, and Surface Grinding, offering quality and reliable services. Additional capabilities include saw cutting and deburring, focusing on professional and expedient customer service.
Based in Burbank, CA, L.A. Grinding Co. provides professional-grade precision sharpening services for industrial tools and blades. They specialize in maintaining tight tolerances and OEM specifications for paper knives, shear blades, and granulator knives. The company sharpens shear blades up to 14 feet, holding.002” parallelism from end to end.
Based in West Bend, WI, MD Design & Automation provides precision CNC machining, EDM, and grinding services. They specialize in manufacturing fixtures, robotics, gages, prototypes, and special tooling. The company offers comprehensive design, machining, and CMM inspection capabilities for diverse industrial applications, serving customers across the US, Canada, Europe, and South America.
Based in Laotto, IN, Medical Grinding Solutions exclusively provides precision grinding services for medical cutting instruments. The company processes items such as drills, reamers, taps, and bone saws. Utilizing state-of-the-art CNC grinders, it offers flute, drill point, thread, and radius grinding capabilities, supported by established quality systems for quality products.
Mindrum Precision, Inc. specializes in ultra-precision grinding, lapping, and polishing of advanced ceramics and hard materials to extremely tight tolerances. Based in Rancho Cucamonga, CA, the company offers comprehensive grinding services, ultrasonic machining, and CNC capabilities. They serve critical sectors including medical, aerospace, defense, and semiconductor industries.
Minnesota Grinding, Inc. specializes in providing production grinding services. Their expertise includes CNC grinding and precision grinding, catering to industrial clients requiring high-quality and accurate component finishes. The company directly offers comprehensive grinding capabilities for various manufacturing needs.
Based in Santa Clara, CA, M&M Jig Grinding Inc. specializes in precision jig, surface, ID, and OD grinding. They achieve high tolerances, as close as one micron, for tools, gages, and short-run production parts. With 25 years of experience, they serve aerospace, military, and medical industries, with ISO 9001 compliant processes.
Based in Charlotte, NC, The Moore Tool Company leverages over 100 years of precision manufacturing knowledge. They offer contract manufacturing services, including CNC jig grinding, CNC surface grinding, precision machining, and assembly. Moore Tool serves aerospace/defense, die/mold, consumer electronics, and OEM markets, supplying components for Nanotech’s ultra-precision systems.
Based in Fullerton, CA, Nelson Grinding specializes in precision Blanchard and Mattison surface grinding services. The company works with diverse materials, including mild steel, aluminum, heat-treated steel, titanium, select plastics, and rubber. They produce base plates, mold plates, and custom-engineered machine parts.
Based in St. Johns, MI, Olympian Tool, LLC offers precision grinding services, including jig grinding and precision metal grinding, drawing on 40 years of expertise. They provide custom tooling solutions, precision CNC milling, turning, wire EDM, and fabrication, ensuring high-quality parts for industrial needs.
Based in Irvine, CA, Pacific Jig Grinding specializes in precision CNC jig grinding with over 30 years of experience. They deliver accurate, high-quality solutions for critical customer needs. Serving diverse industries such as aerospace, mold making, tool and die, medical, and gage manufacturing.
Based in Bessemer, AL, Precision Grinding, Inc. offers custom steel processing services. Established in 1971, the company specializes in plate cutting, precision grinding, CNC machining, and custom fabrication for various industrial applications.
Precision Grinding Industries, based in Piedmont, SC, has provided high-precision grinding services since 1995. Their expertise covers Centerless, OD, ID, Surface, Honing, and Lapping, achieving intricate geometries and stringent tolerances. They also offer Swiss turning and milling for complete manufacturing solutions.
Based in Houston, TX, Pro-Grind Inc. specializes in precision grinding and sharpening services for commercial and industrial clients. They offer expertise in shear blades, meat grinder plates, saw blades, and medical instruments. Utilizing modern machinery, Pro-Grind delivers high-quality, precise grinding solutions since 1982.
Based in Cleveland, OH, Profile Grinding, Inc. specializes in precise CNC grinding services, including ID, OD, and centerless grinding for superior surface finishes and dimensional accuracy. They also offer Swiss machining for high-precision components up to 32mm, and CNC turning and milling, including hard turning up to 60 Rockwell.
Based in Buena Park, CA, Quality Grinding is a full-service manufacturer specializing in precision machining, grinding, and welding services. The company adheres to stringent quality standards, holding both AS9100 and ISO 9001 certifications, providing comprehensive manufacturing solutions for various industrial clients.
Based in Fullerton, CA, Raymac Grinding provides comprehensive precision grinding services. Their capabilities include centerless grinding, honing, OD grinding, ID grinding, and surface grinding. The company also offers thread rolling services to meet various industrial fabrication needs.
Resonetics offers precision centerless grinding and micro manufacturing for MedTech and Life Sciences. Specializing in wire and nitinol, they create tapers, steps, and profiles with tight tolerances. Their capabilities include gun drilling, ideal for medical devices such as guidewires and mandrels.
Based in Bell Gardens, CA, Sonoma Industries, Inc. specializes in precision jig and bore grinding services. The company also offers 8-axis CNC Swiss turning and 4-axis milling. ISO 9001:2015 and AS9100D certified, they machine aerospace-quality parts from diverse materials like stainless steel, titanium, aluminum, and plastics.
Based in Los Angeles, CA, Specialty Surface Grinding Inc. provides precision surface grinding services for industrial and commercial clients. The company specializes in delivering high-tolerance grinding solutions, working with various materials and applications. They focus on achieving precise finishes and critical dimensions for manufactured components.
Based in Hanover Park, IL, Spectra-Tech Inc. specializes in precision creep-feed grinding services. The company utilizes sophisticated grinding methods to accurately shape high-value parts for various industrial applications. They focus on delivering efficient and precise manufacturing solutions.
Based in New Haven, MI, Sturdy Grinding Company delivers high-volume precision grinding and I.D. honing. They achieve exceptionally tight tolerances, up to 0.0002”, for complex parts. Capabilities include CNC OD, Centerless Thru-Feed, and End Feed Plunge grinding services.
Based in Kernville, CA, Custom Thread Grinding, Inc. offers expert CNC grinding services. Specializing in precision thread grinding, they serve aerospace, medical, and plastic injection molding industries. With over 35 years of experience, the company manufactures components such as worm gears, lead screws, and nuts using advanced grinding techniques.
United Centerless Grinding & Thread Rolling, based in East Hartford, CT, offers custom centerless, form, and CNC profile grinding services. This third-generation, AS9100D and ISO 9001:2015 certified business also provides thread rolling, wire EDM, and Swiss machining for aerospace, automotive, medical, and military industries.
Based in Muskegon, MI, West Michigan Grinding & Machine offers precision CNC machining and grinding services for highly complex, tight tolerance applications. They work with a wide array of materials, including ferrous, non-ferrous, plastics, ceramics, and hardened materials, providing custom tooling and solutions for industrial clients.
Wytech Industries, based in Rahway, NJ, specializes in precision grinding and machining solutions for complex geometry mandrels and hypotubes. They provide advanced specialty wire and metal tubing components for the medical device industry, offering rapid prototyping and fast delivery of critical ground wires.
Based in Ontario, CA, Young's Precision Tool Grinding specializes in providing high-accuracy precision grinding services for various industrial and commercial tools. The company focuses on achieving meticulous surface finishes and tight tolerances, serving clients who require specialized expertise in tool grinding applications.
Advanced Machine Products, located in Santa Fe Springs, CA, specializes in precision grinding and milling. They process sheets, plates, and extrusions with material thicknesses from.020 to 10 inches, reaching tolerances of +/-.001". Serving the aerospace, automotive, and general commercial industries, they utilize state-of-the-art equipment.
Based in Daytona Beach, FL, Apex Grinding, Inc. offers precision grinding services. With over 50 years of experience, they specialize in centerless grinding and the production of precision ground bar, serving America's manufacturers with high-quality products.
Based in Troy, MI, Dynamic Precision Tool & Manufacturing specializes in precision CNC machining, grinding, and wire EDM services. They provide internal, external, contour, and large capacity jig grinding. The company produces complex assemblies and critical parts for aerospace, military, medical, and automotive industries, focusing on tight tolerances.
HMS Precision Grinding is a family-owned business providing expert OD and centerless grinding services. With over 30 years of experience, they manufacture precise components for aerospace, automotive, military, defense, and medical industries. The company handles diverse jobs from small to enterprise level.
Based in Orange, CA, Precision Grinding Company is a family-owned business, established in 1978. They specialize in high-end critical component grinding, providing diverse precision grinding services. They cater to demanding industries such as aerospace, military, medical, and automotive sectors.
Established in 1988, Profile Grinding Services, LLC manufactures special carbide tooling, including carbide planetary nail dies. The company provides precision grinding services for various industrial applications in the United States, specializing in custom tool production.
Based in Houston, TX, ATG Incorporated is a family-owned company established in 1967. They provide precision grinding services, creating custom form tools in-house to client specifications. The company also specializes in restoring cutting tools, offering a cost-effective alternative to purchasing new ones.
Based in Pflugerville, TX, Austin Tool & Grinding Co. is an established provider of precision machining and fabrication services. The company specializes in surface, OD, and ID grinding, alongside CNC and manual machining, welding, and EDM. They serve diverse manufacturing and industrial needs.
Based in Woburn, MA, Boston Centerless is a manufacturer and distributor of precision bar materials. The company specializes in centerless grinding, providing services with precision tolerances for various industrial applications and customer needs.
Based in Houston, TX, B-W Grinding Service Inc. provides full-service manufacturing, coating, and precision grinding. They specialize in OEM replacement parts and components for gas turbines, compressors, and pumps. Serving the turbomachinery, oil & gas, and industrial gas turbine sectors from a large facility.
Based in Houston, TX, Carbide Grinding specializes in manufacturing custom carbide threading and grooving inserts. Founded in 1981, this veteran-led company utilizes its 20,000+ sq ft facility to grind modified carbide forms in-house to exact specifications, serving various industrial clients with precision machining solutions.
Based in Oxford, CT, CED Services delivers custom CNC machining solutions, specializing in multi-axis machining, turning, milling, and high-precision surface finishing. They provide end-to-end support for complex part manufacturing, dedicated to meeting exacting specifications and tolerances for precision components.
Based in Tucker, GA, Centerless Grinding Service provides precision centerless grinding, polishing, and straightening services since 1972. They process various materials, including carbon, alloy, and stainless steels, brass, bronze, aluminum, and copper, for diverse production volumes. The company serves automotive, marine, pulp and paper, medical, and food industries.
Based in Houston, TX, D&I Tool LLC is a family-owned machine shop specializing in precision grinding, wire and conventional EDM, and CNC machining services. They offer surface, cylindrical, and ID/OD grinding capabilities to diverse industrial clients, operating from their well-equipped facility.
Based in Houston, TX, Don's Grinding & Lapping Service, Inc. offers precision grinding and lapping services. Capabilities include Blanchard, reciprocating, and diamond wheel surface grinding, plus flat lapping. They also provide in-house HVOF coating for parts and are ISO-9001 certified.
Based in Schiller Park, IL, E.J. Basler Co. is a high-volume precision machine shop. They specialize in CNC grinding services for precision diameters on cylindrical parts. Additional capabilities include Hydromat, Multi-Spindle, Swiss Screw, and CNC machining, producing millions of zero-defect parts for custom projects.
Based in El Cajon, CA, High Precision Grinding & Machining provides specialized services in high precision grinding and general machining. The company operates its own facilities to deliver custom manufacturing solutions for industrial and commercial applications.
Based in Huntingdon Valley, PA, H&K Tool & Machine Company, Inc. provides precision grinding, CNC milling, and EDM services. They specialize in close-tolerance, complex machined parts for aerospace, defense, medical, textile, and telecommunication industries from their 30,000 square foot, 24/7 facility.
KMM Group, Ltd. is a precision contract manufacturing partner specializing in complex, tight-tolerance components for advanced industries like MedTech, aerospace, and defense. They provide ultra-precision CNC centerless, multi-axis, and medical guidewire grinding services, achieving sub-micron tolerances on intricate part features. The company delivers consistent quality from prototype through full production.
Based in Temecula, CA, Long Machine Inc. provides precision CNC grinding and gundrilling services. Specializing in machined parts for the Aeronautical and Oil & Gas industries, the company has been serving industrial clients since 1979.
Mahuta Tool Corp. based in Germantown, WI, provides expert OD grinding services for cylindrical components. They also offer CNC turning, milling, and multi-axis machining for custom tool and part manufacturing. Serving aerospace, automotive, medical, and military industries, Mahuta emphasizes precision and timely turn-key solutions.
Mayday Manufacturing Co. based in Denton, TX, provides precision machining services for critical applications. Specializing in CNC machining, ID/OD, surface, and centerless grinding, honing, and lapping, they serve the aerospace, defense, and power generation industries. The company is AS9100D and ISO 9001:2015 certified.
Based in Cincinnati, OH, Midwest Precision Grinding Co. specializes in high-quality precision cylindrical and centerless grinding services. They offer cylindrical OD, centerless (thru-feed, in-feed, bar), and internal grinding, working with materials such as tool steel and carbon fiber for industrial applications.
Based in Gardena, CA, Pacific Precision Grinding specializes in cylindrical I.D. and O.D. grinding for ferrous and non-ferrous metals, offering surface and centerless grinding capabilities. With over 35 years of experience, they provide precision components for Aerospace, Petroleum, Military, and Automotive industries.
Petersen Precision, based in Redwood City, CA, provides ISO 9001/AS9100 certified precision grinding, fine blanking, CNC machining, and lapping. They produce high-quality, tight-tolerance metal components for challenging projects.
Based in Hartford, WI, Precise Jig Grinding LLC provides high-quality jig grinding services. The company focuses on delivering excellent quality with quick turnarounds and competitive pricing for its clients.
Based in Hamden, CT, Precision Grinding Solutions, LLC offers innovative grinding and inspection solutions for complex high-precision components. They serve aerospace/defense, automotive, tool, die, and mold making industries. The company maintains AS9100D and ISO9001:2015 certifications, demonstrating commitment to quality.
Based in Converse, TX, Precision Saw & Tool provides specialized precision grinding services for industrial saws and cutting tools. They offer expert sharpening, reconditioning, and manufacturing solutions, catering to commercial and industrial clients. Their services focus on restoring tool performance and extending their operational lifespan.
Primo Medical Group, located in Stoughton, MA, provides precision grinding services for medical devices, aerospace, and defense components, ensuring tight tolerances and smooth finishes. The company also specializes in the development, manufacturing, and assembly of quality medical devices and precision machined components, adhering to stringent regulatory standards.
Schaffer Grinding provides precision grinding and milling services from facilities in Montebello, CA, and Twinsburg, OH. Their capabilities include rotary grinding, surface grinding, and belt grinding, alongside precision milling. They serve industrial clients with a focus on specialized machining needs.
Based in San Benito, TX, Sauceda's Precision Grinding, Inc. provides precision grinding and CNC production services. Established in 1979, they design and manufacture parts for mass production, specialty process equipment, jigs, fixtures, and gages. The company is HUB & CSTMBC Certified, committed to quality service.
Based in Oxford, MA, Swissturn USA specializes in expert centerless and precision CNC grinding services. They manufacture precision machined components, including miniature fasteners, utilizing modern Swiss screw machines. The company serves diverse industries such as aerospace, medical, firearms, defense, and other industrial applications.
Wattsburg, PA-based Venango Machine Company offers contract CNC machining and specialized platen manufacturing. They provide precision grinding services, including Blanchard and surface grinding to extremely close tolerances. Capabilities also encompass gun drilling, milling, slotting, and boring for automotive, aerospace, and chemical industries.
Based in Santa Clara, CA, Western Grinding Service Inc. provides precision grinding and manufacturing services. Specializing in high-precision, tight-tolerance parts, they utilize 5-axis CNC surface, internal, rotary, centerless, and cylindrical grinding. Serving medical, automotive, aerospace, and defense industries, the ISO 9001:2015 certified company has operated since 1953.
Based in Santa Clarita, CA, Advanced CNC Grinding offers precision CNC grinding services. They produce high-accuracy industrial components, achieving tight tolerances and superior surface finishes. The company utilizes advanced CNC technology for diverse custom manufacturing needs.
BTX Precision, based in Elk Grove Village, IL, offers manual and CNC grinding services including surface, OD, ID, jig, and ultra-precision grinding. They deliver high-tolerance, build-to-print components for mission-critical applications. Serving demanding sectors like aerospace, defense, medical, and semiconductor, BTX leverages cutting-edge technologies.
Based in Santa Fe Springs, CA, West Coast Centerless Grinding specializes in precision centerless grinding services. They provide high-quality machining solutions for various industrial applications, focusing on tight tolerances and superior surface finishes. The company serves diverse manufacturing sectors needing specialized material removal and shaping.
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| Type | Best For | Typical MOQ |
|---|---|---|
| Niche Specialist | Ultra-precision optical components, complex medical implants, aerospace prototypes with exotic materials | 1-50 units |
| High-Volume Production | Automotive powertrain components, bearing races, industrial shafts, components requiring consistent centerless grinding | 1,000 - 100,000+ |
| General Job Shop | Tooling components, repair grinding, varied small-to-medium runs across different materials, general machine parts | 50 - 5,000 units |
| Tool & Die Grinder | Dies, punches, molds, gages, hardened jigs, maintaining precise geometric tolerances on critical tooling | 1-100 units |
Cylindrical grinding involves mounting the workpiece between centers or in a chuck, allowing for precise control over geometric features like roundness and concentricity for parts with internal features or specific datum requirements. Centerless grinding, conversely, uses a regulating wheel and a grinding wheel to support and rotate the part, making it ideal for high-volume production of external cylindrical features like shafts or pins, where throughput and surface finish are primary concerns and no mounting points are desired or available.
While Ra (average roughness) is common, it doesn't tell the whole story. For critical applications, you should also specify Rz (mean peak-to-valley height) or Rmax (maximum peak-to-valley height) to control the amplitude of surface irregularities, especially if sealing or fatigue life is a concern. Additionally, consider requiring a material ratio curve (Abbott-Firestone curve) for functional surfaces to ensure proper bearing area and oil retention characteristics.
Subsurface damage refers to microstructural alterations, residual stresses, or micro-cracks that occur just below the finished surface of a ground part due to the heat and mechanical forces of the grinding process. It's a significant concern because it can severely degrade fatigue life, corrosion resistance, and overall mechanical strength, often leading to premature part failure, especially in highly stressed components like aircraft landing gear or medical implants. Preventing it requires careful control of grinding parameters, grinding wheel specification, and coolant strategies.
Inquire about their process for selecting the appropriate grit size, bond type, and abrasive material (e.g., aluminum oxide, silicon carbide, CBN, diamond) for your specific material and desired finish. Ask about their dressing and truing frequency and methods, as a properly dressed wheel is crucial for consistent performance, preventing thermal distortion, and achieving the required surface integrity without micro-chatter.
These processes are typically required when ultra-fine surface finishes (below 0.1 Ra), extremely tight flatness or roundness tolerances, or specific surface texture patterns (like a cross-hatch for lubrication retention) are critical for the part's function. Grinding alone might achieve excellent dimensions, but superfinishing, lapping, or honing remove the microscopic peaks and valleys, further refine the surface integrity, and eliminate any remaining subsurface damage from the grinding operation, often vital for bearings, seals, and hydraulic components.