Solutions
- Overview: For engine, chassis, braking and transmission system parts, taking into account PPAP and large-volume consistency
- Customer Challenge: Complex hole system and coaxiality, hardened layer stability, cleanliness and leakage test, beat/OEE
- Typical Processes: Milling/grinding integrated unit, spline/keyway broaching, scroll milling to form screw rods, fine grinding after heat treatment, laser quenching of easy-to-wear surfaces, automatic deburring and cleaning.
- Recommended Equipment: Whirling Machine ,Broaching Machine,Grinding Machine,Laser Hardening,Straightening,Surface Finishing,Turning/Milling Cell
- Quality Indicators: CPK ≥1.33; Surface roughness Ra≤0.8 μm (axis/piston rod), tooth error grade DIN 6-8; hardened layer depth 0.8-1.5 mm
- Case Examples: Chassis connecting rod batch production of 300,000 pieces per year, SPC Cpk ≥ 1.33, rework rate -35%
- ROI: Automated deburring + cleaning line combination, cost per piece -8-12%.
Power System Parts Processing
Braking System Parts Processing
Chassis System Parts Processing
Transmission System Processing
- Overview: High-precision production line for machine tools/automotive ball screws and linear guides, focusing lead error and linearity control.
- Process (Screws): Material preparation → rough turning → heat treatment → vortex milling and forming → fine grinding/polishing → straightening → cleaning and rust prevention → full inspection.
- Processes (Guide Rails):Reference face milling → Drilling/tap → Heat treatment → Guide surface precision grinding → Laser quenching hardening → Super precision.
- Recommended Equipment:Whirling Machine,Grinding Machine,Straightening Machine,Laser Hardening,Surface Finishing Machine
- Quality Indicators:Lead error ≤±8 μm/300 mm; straightness ≤0.02 mm/1000 mm; surface Ra≤0.2 μm
- Overview: Compound machining and cleaning control for gearbox housing, gears and shafts.
- Typical Processes:Shell pentahedral machining and hole system coaxiality control, soft cutting of tooth blanks → heat treatment → hardened tooth grinding and dressing, shaft spline broaching and cylindrical fine grinding, leakage testing and cleanliness (residual particles)
- Recommended Equipment: Milling/Turning Center、Broaching Machine、Grinding Machine、Surface Finishing、Leak Test
- Quality Indicators: Tooth direction/tooth profile deviation DIN 6–7; housing hole position ≤0.02 mm; cleanliness ≤200 mg/1000 cm²
- Overview: High-precision production line for machine tools/automotive ball screws and linear guides, focusing lead error and linearity control.
- Process (Screws): Material preparation → rough turning → heat treatment → vortex milling and forming → fine grinding/polishing → straightening → cleaning and rust prevention → full inspection.
- Processes (Guide Rails):Reference face milling → Drilling/tap → Heat treatment → Guide surface precision grinding → Laser quenching hardening → Super precision.
- Recommended Equipment:Whirling Machine,Grinding Machine,Straightening Machine,Laser Hardening,Surface Finishing Machine
- Quality Indicators:Lead error ≤±8 μm/300 mm; straightness ≤0.02 mm/1000 mm; surface Ra≤0.2 μm
- Overview: Meets the requirements of high mixing and high reliability of small batches of aviation parts, covering five-axis processing and repair of complex surfaces of titanium/nickel-based alloys
- Process (Screws): 5-axis linkage processing → on-machine measurement → grinding and refining → laser cladding repair/wear-resistant coating → deburring and surface quality control → full process traceability
- Recommended Equipment:5-Axis Machining Center、Grinding Machine、Laser Cladding、Surface Finishing、Straightening
- Quality Indicators:Dimension tolerance ±0.01 mm grade, surface Ra≤0.4 μm
- Overview: Taking the rotor/stator, pump shell and impeller for petrochemical/chemical industry as the core, emphasizing efficiency and corrosion resistance and wear resistance.
- Process : Rotor vortex milling and forming → heat treatment → precision grinding → straightening; pump housing five-axis processing → sealing surface grinding; laser cladding wear-resistant layer in key areas
- Recommended Equipment:Whirling Machine、Grinding Machine、Straightening、Laser Cladding、Turning/Milling
- Quality Indicators:Rotor profile error ≤±10 μm, coaxiality ≤0.01 mm, surface Ra≤0.4 μm
- Overview: Integrated solution for valve body/bonnet/stem/valve seat, focusing on sealing surface quality and hardened layer durability
- Process :Valve body casting processing → Sealing surface grinding/grinding → Keyway broaching → Valve seat/spool laser cladding hard surface → Pressure/seal testing
- Recommended Equipment:Broaching Machine、Grinding Machine、Laser Cladding、Surface Finishing、Turning/Milling
- Quality Indicators:Sealing surface Ra≤0.2 μm, hard surface layer HV≥55 HRC equivalent, corrosion resistance salt spray≥72 h
- Overview: For cutting tools and medical drills and other rod tools, emphasizing straightness and cutting edge quality
- Process :Blank grinding → Heat treatment → Fine grinding and blunt cutting → Straightening (slim parts) → Coating → Full inspection
- Recommended Equipment:Grinding Machine、Straightening Machine、Surface Finishing
- Quality Indicators:Straightness ≤0.01 mm/300 mm, controllable edge burrs, Ra≤0.1 μm
Steering Ball Joint Heat Treatment Process Guide
Heat treatment is a key process link in steering ball joint manufacturing, directly affecting material mechanical properties and product service life. In the global automotive industry, heat treatment processes must comply with international standards to ensure product quality meets IATF 16949 quality management requirements. This article systematically introduces the heat treatment process of steering ball joints from
Steering Ball Joint Basics: Complete Manufacturing Guide
The automotive steering system is the core of vehicle control. Steering ball joints and connecting rods, as key components, bear the important responsibilities of transmitting driver control intentions and ensuring driving safety. In the global automotive industry, the quality and performance of steering ball joints directly affect vehicle handling, safety, and service life. This article
Crankshaft Milling: External vs Internal Process Comparison
Since the 1980s, China has gradually introduced CNC milling technology in the crankshaft processing field. Initially, three processes were mainly used: CNC turning, CNC internal milling, and CNC turn-broaching to process main journals and connecting rod journals. With the iterative upgrading of machine tools and cutting tools, crankshaft high-speed external milling process emerged and quickly
Powder Metallurgy Solutions: MIM vs PM for Power Tools
Under the trend of power tools developing towards precision, lightweight, and long life, Metal Injection Molding (MIM) and traditional Powder Metallurgy (PM, pressing-sintering process) as two mainstream powder metallurgy technologies play irreplaceable roles in different component production with their respective process characteristics. This article systematically reviews their applicable scenarios, core advantages and disadvantages, and cost
Complete Bolt Production and Processing Solution
Bolts, as core fasteners for mechanical connections, have processing accuracy that directly determines assembly reliability and structural safety. This solution covers the complete process from raw materials to finished products, clearly defining operation procedures, accuracy indicators, and control measures for each process link, suitable for batch production of M3–M48 specification bolts from grade 4.8 to
Crankshaft Flange Center Hole Precision Machining Guide
As a core component of automotive powertrain systems, engine performance directly affects overall vehicle operating quality. The crankshaft, as a key transmission component, has dimensional accuracy and surface machining quality of its journals that not only relate to crankshaft operating smoothness but also directly affect component wear rates and noise control levels. The crankshaft center
Crankshaft Oil Passageway Deep Hole Drilling Process Guide
As a core component of automotive engines, the crankshaft plays a key role in converting the reciprocating motion of pistons into rotational motion. To reduce friction loss between connecting rods and journals and extend component life, oil passageways are designed on main journals to import and export engine oil for effective lubrication. However, deep hole
IATF 16949 Crankshaft Automated Production Line
IATF 16949, as the authoritative quality management standard in the automotive industry, serves the entire lifecycle of automotive-related components from design, production to assembly. Based on the core framework of this standard and combined with crankshaft processing characteristics, this article systematically elaborates on a complete IATF 16949 compliant crankshaft automated production line solution, covering process
Crankshaft Following Grinding Technology: Principles, Processes, and Applications
With the continuous improvement of requirements for crankshaft processing accuracy and efficiency in the automotive industry, crankshaft following grinding technology, as the third-generation grinding process, is gradually replacing traditional manual grinding solutions. This article systematically elaborates on the technical principles, process solutions, and CBN (Cubic Boron Nitride) wheel applications of following grinding, providing technical reference