Automotive Swiss-type Machining
Automotive Part Relays for Vehicle Electrical Control Systems
Material: High-conductivity stainless steel (e.g., SUS304/316L) or copper alloy (e.g., phosphor bronze), with nickel/tin plating
Shape: Cylindrical shape with internal threads or stepped interface
Size Range: Diameter: Φ8mm – Φ25mm; Height: 10mm – 40mm (customizable)
Internal Design: Precision-machined bore for pin insertion or threaded connection
Surface Finish: Polished + plated (to enhance conductivity and anti-oxidation)
Manufacturing Process: CNC turning + precision grinding + electrochemical polishing
Automotive Precision Spindle Shaft OEM Machined Metal Parts
Material: Automotive mandrels are typically made of high-strength metal materials such as carbon steel, alloy steel, or stainless steel
Shape: Mandrels are generally cylindrical in shape, with some products featuring steps, threads, chamfers, or locating grooves
Size Range: Diameter typically ranges from Φ3 mm to Φ30 mm; length can be customized
Internal Design: Some mandrels may have through holes, blind holes, or hollow structures internally to reduce weight or meet assembly and functional requirements
Surface Treatment: Mandrel surfaces typically undergo various treatment processes, such as electroplating, nickel plating, blackening, polishing, or anodizing
Manufacturing Process: Mandrels are generally manufactured using high-precision CNC turning, CNC precision machining, grinding, and other processes, and undergo rigorous dimensional inspection and quality control to ensure that dimensional accuracy, concentricity, and surface finish meet the standards for automotive parts
CNC Machined High Concentricity Precision Mandrel for Mechanical and Automotive Use
1. Material: Stainless steel (304/316), alloy steel (40Cr/42CrMo), etc.
2. Structural Shape: Upper end: short positioning shaft (assembly guide), middle: flange step (stop/positioning), lower end: long shaft section (main functional section).
3. Size Range: Total length: 10 – 100 mm, shaft diameter (spindle): Φ6 – Φ12 mm, flange diameter: Φ12 – Φ25 mm.
4. Internal Design: Solid structure, no obvious internal bore, rounded corners (R-angle), H7/g6 fit, end chamfering.
5. Surface Treatment: Precision turning + polishing + grinding + electropolishing (stainless steel) + blackening (alloy steel) + nickel/chrome plating (wear-resistant and corrosion-resistant) + nitriding (improved wear resistance).
6. Manufacturing process: Blanking (bar stock), CNC turning (rough machining), finish turning (forming steps), heat treatment (if required), external cylindrical grinding (to ensure concentricity), polishing/surface treatment, and inspection (concentricity/dimensions).
CNC Machined New Energy Precision Spindle Shaft Mandrel for EV Motor & Battery Systems
1. Material: Stainless steel (304/316), alloy steel (40Cr/42CrMo), etc.
2. Structural Shape: Upper end: short positioning shaft (assembly guide), middle: flange step (stop/positioning), lower end: long shaft section (main functional section).
3. Size Range: Total length: 10 – 100 mm, shaft diameter (spindle): Φ6 – Φ12 mm, flange diameter: Φ12 – Φ25 mm.
4. Internal Design: Solid structure, no obvious internal bore, rounded corners (R-angle), H7/g6 fit, end chamfering.
5. Surface Treatment: Precision turning + polishing + grinding + electropolishing (stainless steel) + blackening (alloy steel) + nickel/chrome plating (wear-resistant and corrosion-resistant) + nitriding (improved wear resistance).
6. Manufacturing process: Blanking (bar stock), CNC turning (rough machining), finish turning (forming steps), heat treatment (if required), external cylindrical grinding (to ensure concentricity), polishing/surface treatment, and inspection (concentricity/dimensions).
CNC Machined Stainless Steel High Precision Small Shaft OEM Custom Parts
1. Material: Made of high-quality stainless steel or alloy steel, etc.
2. Shape: A small, stepped shaft structure, including a positioning end, transition section, and bottom flange.
3. Size Range: Diameter: Φ1mm – Φ5mm; Height: 5mm – 20mm (customizable).
4. Internal Design: Solid structure design ensures good load-bearing capacity and deformation resistance; partial chamfering and rounded corners effectively reduce stress concentration and improve service life.
5. Surface Treatment: Precision polishing for a high gloss finish; optional electroplating and passivation processes enhance corrosion resistance and appearance while reducing friction loss.
6. Manufacturing Process: Advanced CNC precision machining technology, one-piece molding, ensuring strict dimensional tolerance control and excellent concentricity.
High Performance Automotive Relay for EV Battery and Power Control Systems
Material: High-conductivity stainless steel (e.g., SUS304/316L) or copper alloy (e.g., phosphor bronze), with nickel/tin plating
Shape: Cylindrical shape with internal threads or stepped interface
Size Range: Diameter: Φ8mm – Φ25mm
Height: 10mm – 40mm (customizable)
Internal Design: Precision-machined bore for pin insertion or threaded connection
Surface Finish: Polished + plated (to enhance conductivity and anti-oxidation)
Manufacturing Process: CNC turning + precision grinding + electrochemical polishing
High Performance Automotive Relay for Stable Power Control
Material:High-conductivity stainless steel (e.g., SUS304/316L) or copper alloy (e.g., phosphor bronze), with nickel/tin plating
Shape:Cylindrical shape with internal threads or stepped interface
Size Range:Diameter: Φ8mm – Φ25mm; Height: 10mm – 40mm (customizable)
Internal Design:Precision-machined bore for pin insertion or threaded connection
Surface Finish:Polished + plated (to enhance conductivity and anti-oxidation)
Manufacturing Process:CNC turning + precision grinding + electrochemical polishing
High Precision CNC Spindle Shaft Manufacturer
1. Material: Stainless steel (304/316), alloy steel (40Cr/42CrMo), etc.
2. Structural Shape: Upper end: short positioning shaft (assembly guide), middle: flange step (stop/positioning), lower end: long shaft section (main functional section).
3. Size Range: Total length: 10 – 100 mm, shaft diameter (spindle): Φ6 – Φ12 mm, flange diameter: Φ12 – Φ25 mm.
4. Internal Design: Solid structure, no obvious internal bore, rounded corners (R-angle), H7/g6 fit, end chamfering.
5. Surface Treatment: Precision turning + polishing + grinding + electropolishing (stainless steel) + blackening (alloy steel) + nickel/chrome plating (wear-resistant and corrosion-resistant) + nitriding (improved wear resistance).
6. Manufacturing process: Blanking (bar stock), CNC turning (rough machining), finish turning (forming steps), heat treatment (if required), external cylindrical grinding (to ensure concentricity), polishing/surface treatment, and inspection (concentricity/dimensions).
High Precision Relay Iron Core for Stable Electromagnetic Performance
1. Material: Made of low-carbon steel or high-permeability soft magnetic steel (such as pure iron, DT4, 1010/1020 steel), possessing good magnetic permeability and low coercivity.
2. Shape and Structure: The overall structure is cylindrical with a flat cut edge on the outer side (anti-rotation design), and a stepped concave structure at the top.
3. Size Range: Outer diameter is typically within the range of Φ10–Φ50 mm, and height 10–40 mm can be customized; internal hole diameter and step dimensions are precisely matched according to relay specifications, and OEM customization is supported.
4. Internal Design: The inner hole adopts a multi-stage stepped design + center thread/locating hole design to effectively control the air gap and improve magnetic flux density.
5. Surface Treatment: The outer surface is precision machined with a delicate brushed metal texture; zinc plating, nickel plating, or blackening treatments are available to improve corrosion resistance and environmental adaptability.
6. Manufacturing process: CNC precision turning is adopted, and the tolerance of key dimensions can be controlled within ±0.001mm; key contact surfaces are precision machined or ground to ensure coaxiality and magnetic performance consistency.
High Precision Relay Limit Post for Automotive Electrical Systems
Material: High-conductivity stainless steel (SUS304 / 316L) or copper alloy (phosphor bronze), with optional nickel or tin plating for enhanced electrical performance
Shape: Precision cylindrical form with stepped geometry or internal threading for secure positioning and assembly
Size Range: Diameter: Φ5–Φ25 mm; Height: 10–40 mm, fully customizable to fit specific relay designs
Internal Design: Machined bore or threaded interface, ensuring accurate pin alignment and reliable mechanical connection
Surface Finish: Polished and plated surface to reduce contact resistance, improve conductivity, and prevent oxidation
High Precision Square Connecting Shaft and Threaded Block Assembly
Material: Stainless steel, carbon steel, alloy steel
Dimensions: Approximately 6 mm in diameter, approximately 48 mm in length (customizable)
Structure: Integrated cylindrical connecting shaft, square threaded block, square/round hole composite structure
Dimensional Accuracy: Tolerance: ±0.001 mm, Thread accuracy: 6H/6g (or as per drawing requirements)
Processing Technology: CNC turning + CNC milling + internal and external thread machining
Applications: Automation equipment, mechanical transmission components, tooling fixtures, industrial equipment connection and positioning systems
High Reliability Automotive Relay for Stable Power Switching
Material:High-conductivity stainless steel (e.g., SUS304/316L) or copper alloy (e.g., phosphor bronze), with nickel/tin plating
Shape:Cylindrical shape with internal threads or stepped interface
Size Range:Diameter: Φ8mm – Φ25mm; Height: 10mm – 40mm (customizable)
Internal Design:Precision-machined bore for pin insertion or threaded connection
Surface Finish:Polished + plated (to enhance conductivity and anti-oxidation)
Manufacturing Process:CNC turning + precision grinding + electrochemical polishing