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Clutch Components CNC Machining Services for the Automotive Industry
Clutch components are precision-machined power transmission parts that enable smooth engagement and disengagement of engine torque to the transmission in automotive driveline systems, including pressure plates, clutch hubs, flywheel assemblies, and release bearing carriers. At Zintilon, we specialize in CNC machining of clutch pressure plates, friction disc carriers, pilot bearing housings, and release mechanism components to achieve exceptional surface flatness, concentricity, and long-term reliability for critical automotive clutch and power transfer applications.
- Machining for precise friction surface flatness and parallelism
- Tight tolerances up to ±0.0003 in for smooth engagement
- Precision turning, milling, grinding & heat treatment
- Support for rapid prototyping and full-scale production
- ISO 9001-certified manufacturing with automotive industry expertise
Trusted by 15,000+ businesses
Automotive Connectors Parts Machining Capabilities
Fast Delivery
A professional engineering team that can respond quickly to customer needs and provide one-stop services from design to production in a short period of time to ensure fast delivery.
High Precision
We are equipped with automated equipment and sophisticated measuring tools to achieve high accuracy and consistency, ensuring that every part meets the most stringent quality standards.
ITAF16949 Certified
As a IATF16949 certified precision manufacturer, our products and services have met the most stringent quality standards in the automotive industry.
From Prototyping to Mass Production
Zintilon is certified for the ISO 9001 standard and supplies engineered components to automotive manufacturers, clutch system suppliers, transmission producers, and performance drivetrain integrators worldwide.
Prototype Clutch Components
Get high-precision prototypes of clutch component assemblies that mimic your final design. Verify friction surface quality, evaluate pressure distribution, test spline engagement, and confirm torque capacity before full-scale automotive production.
Key Points:
Key Points:
- Rapid prototyping with high precision
- Tight tolerances (±0.0003 in)
- Test friction surfaces, alignment, and durability early
EVT – Engineering Validation Test
Clutch component configuration and design must meet all dimensional accuracy, surface finish, and heat dissipation requirements for prototype construction. Identify hot spots and engagement issues early to ensure smooth power transfer, as prototype components are adjusted for friction and thermal requirements.
Key Points:
Key Points:
- Validate prototype functionality
- Rapid design iterations
- Ensure readiness for production
DVT – Design Validation Test
Utilize various materials and friction surface designs to evaluate clutch component performance in terms of wear resistance and thermal stabiassessment aimsty. Evaluates to assess the automotive system's line in achieving the desired engagement of engagement smoothness, and torquebeforeo city before production.
Key Points:
Key Points:
- Confirm design integrity and friction specifications.
- Test multiple materials and configurations
- Ensure production-ready performance
PVT – Production Validation Test
Assess large-scale production capabilities for clutch components and evaluate production consistency challenges before initiating full production to address uniformity and efficiency gaps in the manufacturing process flow.
Key Points:
Key Points:
- Test the large-scale production capability
- Detect and fix process issues early
- Ensure consistent part quality
Mass Production
Produce quality and long-lasting parts of the clutch material efficiently and ensure reliable power transfer in the automobiles and delivery to the manufacturers of vehicles and suppliers of clutch systems on time.
Key Points:
Key Points:
- Consistent, high-volume production
- Precision machining for automotive quality
- Fast turnaround with strict quality control
Simplified Sourcing for
the Automotive Industry
Through excellent processing technologies such as CNC machining, sheet metal manufacturing, metal casting, etc., we can achieve a balance between quality and speed, whether it is special-shaped parts, lightweight or cost effect.
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Automotive Industry, Clutch Components, Machining Capabilities
We are equipped with CNC multi-axis turning centers and surface grinding machines to ensure quality while leveraging our experienced machining capabilities to deliver Clutch Components CNC Machining Services for the Automotive Industry. Each part, from pressure plates with diaphragm spring mounting surfaces to clutch hubs with spline connections, flywheel friction faces with heat-resistant properties, and release bearing carriers with precision pilot bores, is precisely designed for maximum torque transmission and to minimize slip and judder with dependable performance for over 150,000 km.
We perform precision CNC turning for friction surfaces with a flatness tolerance of ±0.020 mm and surface finish from 0.8 to 3.2 Ra microns, grinding for hardened surfaces, achieving 0.4 Ra microns, precision drilling for mounting holes with positional accuracy of ±0.050 mm, and spline milling for hub connections per SAE J499 or DIN 5480 standards. We also conduct runout measurement and thermal cycling validation. We produce clutch parts made of grey cast iron (GG20, GG25) for good friction and heat disspation kind, forged steel (1045, 4140) for more than 600MPa yield strengh pressure plate and hubs spring stell (60Si7, 50CrV4) for diaphram springs with tensile strength of 1200-1400 MPa or special materials such as ductile/cast iron(GGG40) for maximum impact properties aluminum alloy(7075-T6) that enables racing clutches to reduce the rotational inertia by over 40% sintered metal materials that show the highest performance friction surfaces. Our durability guarantees the best friction surface flatness of ±0.020 mm, best concentricity—runout under 0.030 mm, and continuous running at Casing Temperature Surface (CTS) between 200°C to 400°C, mechanical life more than 150,000 km/100,000 clutch engagement cycles.
We perform precision CNC turning for friction surfaces with a flatness tolerance of ±0.020 mm and surface finish from 0.8 to 3.2 Ra microns, grinding for hardened surfaces, achieving 0.4 Ra microns, precision drilling for mounting holes with positional accuracy of ±0.050 mm, and spline milling for hub connections per SAE J499 or DIN 5480 standards. We also conduct runout measurement and thermal cycling validation. We produce clutch parts made of grey cast iron (GG20, GG25) for good friction and heat disspation kind, forged steel (1045, 4140) for more than 600MPa yield strengh pressure plate and hubs spring stell (60Si7, 50CrV4) for diaphram springs with tensile strength of 1200-1400 MPa or special materials such as ductile/cast iron(GGG40) for maximum impact properties aluminum alloy(7075-T6) that enables racing clutches to reduce the rotational inertia by over 40% sintered metal materials that show the highest performance friction surfaces. Our durability guarantees the best friction surface flatness of ±0.020 mm, best concentricity—runout under 0.030 mm, and continuous running at Casing Temperature Surface (CTS) between 200°C to 400°C, mechanical life more than 150,000 km/100,000 clutch engagement cycles.
Aerospace
Materials & Finishes
Materials
We provide a wide range of materials, including metals, plastics, and composites.
Finishes
We offer superior surface finishes that enhance part durability and aesthetics for applications requiring smooth or textured surfaces.
Specialist Industries
you are welcome to emphasize it in the drawings or communicate with the sales.
Materials for Clutch Components
Our CNC machine shop uses and offers for clutch components 10+ high-strength steels, cast irons, and performance alloys to support rapid prototyping, precision automotive manufacturing, and to manufacture and maintain quality to SAE, DIN, and automotive clutch system specifications.
High machinability and ductility. Aluminum alloys have good strength-to-weight ratio, high thermal and electrical conductivity, low density and natural corrosion resistance.
Price
$ $ $
Lead Time
< 7 days
Tolerances
Down to ±0.003 mm
Max part size
3000*2200*1100 mm
Min part size
2*2*2 mm
Steel is a strong, versatile, and durable alloy of iron and carbon. Steel is strong and durable. High tensile strength, corrosion resistance heat and fire resistance, easily molded and formed. Its applications range from construction materials and structural components to automotive and aerospace components.
Price
$ $ $ $ $
Lead Time
< 10 days
Tolerances
Down to ±0.001 mm (routing)
Max part size
3000*2200*1100 mm
Min part size
2*2*2 mm
Stainless steel alloys have high strength, ductility, wear and corrosion resistance. They can be easily welded, machined and polished. The hardness and the cost of stainless steel is higher than that of aluminum alloy.
Price
$ $ $
Lead Time
< 7 days
Tolerances
Down to ±0.005 mm
Max part size
3000*2200*1100 mm
Min part size
2*2*2 mm
Titanium is an advanced material with excellent corrosion resistance, biocompatibility, and strength-to-weight characteristics. This unique range of properties makes it an ideal choice for many of the engineering challenges faced by the medical, energy, chemical processing, and aerospace industries.
Price
$$$
Lead Time
< 10 days
Tolerances
Down to ±0.005 mm
Max part size
3000*2200*1100 mm
Min part size
2*2*2 mm
Highly resistant to seawater corrosion. The material’s mechanical properties are inferior to many other machinable metals, making it best for low-stress components produced by CNC machining.
Price
$ $ $ $ $
Lead Time
< 10 days
Tolerances
Down to ±0.005 mm
Max part size
3000*2200*1100 mm
Min part size
2*2*2 mm
Brass is mechanically stronger and lower-friction metal properties make CNC machining brass ideal for mechanical applications that also require corrosion resistance such as those encountered in the marine industry.
Price
$$$
Lead Time
< 10 days
Tolerances
Down to ±0.005mm
Max part size
3000*2200*1100 mm
Min part size
2*2*2 mm
Few metals have the electric conductivity that copper has when it comes to CNC milling materials. The material’s high corrosion resistance aids in preventing rust, and its thermal conductivity features facilitate CNC machining shaping.
Price
$$$
Lead Time
< 10 days
Tolerances
Down to ±0.005 mm
Max part size
3000*2200*1100 mm
Min part size
2*2*2 mm
Zinc is a slightly brittle metal at room temperature and has a shiny-greyish appearance when oxidation is removed.
Price
$ $ $ $ $
Lead Time
< 10 days
Tolerances
Down to ±0.005 mm
Max part size
3000*2200*1100 mm
Min part size
2*2*2 mm
Iron is an indispensable metal in the industrial sector. Iron is alloyed with a small amount of carbon – steel, which is not easily demagnetized after magnetization and is an excellent hard magnetic material, as well as an important industrial material, and is also used as the main raw material for artificial magnetism.
Price
$ $ $ $ $
Lead Time
< 10 days
Tolerances
Down to ±0.005 mm
Max part size
3000*2200*1100 mm
Min part size
2*2*2 mm
Due to the low mechanical strength of pure magnesium, magnesium alloys are mainly used. Magnesium alloy has low density but high strength and good rigidity. Good toughness and strong shock absorption. Low heat capacity, fast solidification speed, and good die-casting performance.
Price
$ $ $ $
Lead Time
< 7 days
Tolerances
Down to ±0.005 mm
Max part size
3000*2200*1100 mm
Min part size
2*2*2 mm
Let’s Build Something Great, Together
FAQs: Clutch Components for Automotive Industry Applications
Clutch Elements A Sample of such elements include the precision machine 180 to 430 mm diameter pressure plates with clamping forces from 3,000 to 12,000 N, clutch hub (internal spline as per SAE J499 for transmission input shaft engagement) which accepts a load on diaphragm spring and has (20–26 no.) teeth for transmission input shaft to engage; and flywheel friction surfaces that have flatness tolerance of ±0.020 mm which is applicable in case of dual mass flywheels or single mass fly- wheels; release bearing carriers having pilot bore tolerance of ±0.015 mm and diaphragm spring mounting ring parallelism within 0.030mm. They also carry clutch discs, pilot bearings, and actuation forks. These parts need surface flatness for friction within 0.020mm, runout in concentricity less than 0.030 mm, parallelism between the friction surfaces of which also includes sealing features within 0.025 mm, and torque capabilities ranging from 150to 10000 N·m depending on vehicle use.
The material used can be cast iron (GG20, GG25), whose friction properties are excellent with a µ value in the range 0.30 - 0.40, good thermal conductivity of 50-55 W/m·K for heat dissipation and to avoid fade during the process of braking, good damping allowing reduction of clutch chatter effects on transmission housing and also a high degree of self lubrication due to graphite structure which helps minimizing wear but also that ensure cost control for any friction surface. The higher material tensile strength is provided by forged steel (1045, 414,0), ranging from 620 MPa to 1000000 MPa for pressure plate structural integrity of the strongest flywheels, and excellent fatigue resistance maintaining harness under stress generated by cyclic engagement loads over more than 100,000 cycles due to superior grain flow as a result of forging that improves impact toughness. Machinability also ensures surface finishes of less than 1.6 Ra microns. Diaphragm springs in spring steel (60Si7, 50CrV4) are characterized by a high tensile strength of 1200-1400 MPa, offering the required elastic modulus to ensure consistent clamping force, an excellent fatigue life over more than 1 million load cycles, and well-defined spring rate curves for progressive actuation.
CNC turning produces friction surfaces with flatness tolerance of ±0.020 mm, parallelism within 0.025 nm, and surface finish ranging from 0.8 to 3.2 microns Ra. Surface grinding Thickness, parallelism and surface finish are finally reached as follows: Final Friction Surface Quality Flatness ±0.015mm & Ra 0.4-0.8µm Recommended for – Putting required drive lines in straight Formation of Optimum friction disc break-in conditions guard shape Normalize the microstructure roller and needle paulrqq with light Carrying out final dimension check Harden the parts to obtain a hard wear resistant surface Carry out a quality documentation check. Accuracy drilling to create ±0.025 mm mount holes and ±0.050 position holes. Either Spline milling (broaching) of the hub splines in accordance with SAE J499 or DIN 5480 ± 0, 020 mm tooth spacing accuracy. Starter ring gear teeth can be produced on flywheels by gear hobbing to AGMA Class 7-8 quality. Flatness of the diaphragm spring mounting surfaces is produced by face milling to within + 0,025 mm. Cylindrical grinding has the potential to provide pilot bores for bearings with diameter tolerances of ±0.008 mm and surface finishes lower than 0.4 Ra microns.
We maintain friction surface flatness of ±0.020 mm ensuring even pressure distribution and preventing hot spots, parallelism between opposing friction faces within 0.025 mm eliminating clutch judder, runout below 0.030 mm measured at friction surface preventing vibration, spline major diameter tolerance of ±0.020 mm per SAE J499 or DIN 5480, pilot bore diameter accuracy of ±0.008 mm for bearing fit, mounting hole positional accuracy of ±0.050 mm, diaphragm spring mounting surface flatness of ±0.025 mm, and surface finish from 0.4 to 3.2 Ra microns optimized for friction material characteristics. These tolerances support torque capacity from 150 to 1000 N·m, engagement smoothness with pedal effort variation below ±10 percent, thermal stability maintaining flatness during temperature cycling from ambient to 400°C, and component durability exceeding 150,000 km or 100,000 engagement cycles.
Yes, we rapid prototype with CMM dimensional inspection to ± 0.005 mm as well as other QA steps like flatness testing (perpendicularity), runout dial gauging to ± 0.005 mm, surface finish measurement…in addition to spline checks using a gear inspection system, plus thermal cycling from ambient to 400°C for 50 cycles. We do low-side performance or racing volumes; our volumes are 100 to 5000 parts a year, and the high side is for automotive OEMs. We produce clutch components for vehicle manufacturers ranging in annual volumes from thousands to millions, with dimensional certification and flatness and runout documentation, spline profile verification to SAE J499 or DIN 5480, friction surface parallelism reporting as required for the design of your assembly, material certification w/ heat treatment records showing hardness profiles from 180HB ±20 / 300HB +30/-15 (cast iron) / 28-35 HRC with tempering temperature (steel), dynamic balance records if applicable including thermal stability results and full quality-test data meeting IATF16949 / ISO9001:2015 or automotive clutch system standards.
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