China CNC Machining for Precision Machining, CNC Compression Machine Parts for Stepper Motor Parts

Product Description

 

Product Description

CNC Machining uses computer instructions to automatically control cutting tools, turning digital designs into precise metal or plastic parts. It's faster, more accurate, and more consistent than manual machining.
 

 Key Features

• High Precision: Tolerances down to ±0.005mm (depending on machine & material).

• Repeatability: Ideal for mass production of identical parts.

• Material Versatility: Metals (aluminum, steel, titanium), plastics, composites, and wood.

• Complex Geometries: 3D contours, deep cavities, threaded holes, and fine details.
   

  Advantages

  Our Advantages
  High Accuracy & Consistency: Better than manual or conventional machining.
  Fast Production: Automated tool changes reduce downtime.
  Flexible Design Changes: CAD/CAM software allows quick adjustments.
  Wide Material Options: From soft plastics to hardened steel.
  
  Our Processes

(1) CNC Milling Uses rotating multi-point cutting tools to remove material. 3-axis, 4-axis, or 5-axis machines for different complexity levels. Applications: Engine blocks, molds, aerospace brackets.

(2) CNC Turning Rotates the workpiece while a single-point tool cuts (for cylindrical parts). Lathe machines (Swiss-type for ultra-precision). Applications: Shafts, bolts,nozzles.

(3) CNC Drilling & Tapping Creates holes and internal threads with high accuracy. Applications: PCB boards, flanges, hydraulic components.

(4) CNC Grinding/EDM/Wire Cutting Grinding: Ultra-fine surface finishing (Ra 0.1-0.4μm). EDM (Electrical Discharge Machining): For hard metals using sparks. Wire Cutting: Precision cutting of conductive materials.

Future Trends in CNC:
Al & Automation- Smart CNC machines with predictive maintenance.
Hybrid Manufacturing-Combining CNC with 3D printing (DED, WAAM).
Ultra-Precision CNC-For micro-machining (medical, optics).

 

Product Parameters

 
What materials can be CNC machined?
Metals: Aluminum, steel, stainless steel, titanium, brass, copper
Plastics: ABS, PEEK, Nylon, Delrin, PTFE
Composites: Carbon fiber, G10
Wood & Foam (for prototyping)

What tolerances can CNC machining achieve?
Standard: ±0.1mm
High Precision: ±0.025mm (with fine finishing)
Ultra-Precision (Micro-Machining): ±0.005mm

What file formats are needed for CNC machining?
STEP(stp), IGES (igs), Parasolid (.x_t)-Best for 3D models DXF,DWG-For 2D drawings

 

Key CNC Applications by Industry
Industry	Typical CNC Parts	Materials Used
Aerospace	Turbine blades, landing gear	Titanium, Inconel, aluminum
Automotive	Pistons, transmission parts	Steel, aluminum, brass
Medical	Implants, surgical tools	Stainless steel, PEEK
Electronics	Heat sinks, connectors	Aluminum, copper, plastics
Energy	Valve bodies, pump components	Stainless steel, duplex steel
Defense	Firearm components, radar parts	High-strength alloys

 

CNC vs 3D Printing vs Die Casting
Factor	CNC Machining	3D Printing	Die Casting
Accuracy	±0.005mm	±0.1-0.3mm	±0.1-0.5mm
Surface Finish	Excellent (Ra 0.4-3.2µm)	Layered (needs post-processing)	Good (Ra 1.6-6.3µm)
Best For	High-precision metal parts	Complex prototypes	High-volume aluminum/z

 
 

Company Profile

Qingdao Compass Hardware Co., Ltd. is a 15 more years experienced provider for OEM industrial products and service, based in Harbor city - Qingdao. Years of experience in manufacturing and exporting high end products enables us to offer a wide range of different products. Through comprehensive one-stop professional solutions, from product design and development, mold manufacturing,  product casting, , deep processing, surface treatment to delivery, Compass can provide customers with high value-added quality products and services. The entire processing range is consisting of die casting, lost wax casting, sand casting, CNC, milling, stamping, laser cutting, welding, surface treatment, etc.

We have full-automatic die casting machines from 88T to 1250T and 120 sets precision CNC machining centers, including OKUMA, DOOSAN and TSUGAMI. With the testing equipmentS including three coordinate, X-ray flaw detector, salt spray testing machine, metalloscope, pressure testing machining, hardness tester and all kinds of gauges, we always adhere to the principle "Quality is second to none".

The application of our products covers auto & motorcycle & bicycle parts, Railway, value and pump industry, engineering parts, mechanical parts, mining parts, marine industry parts, medical appliances, household appliances, lighting accessories, agriculture equipment, furniture and so on.

With the management idea of honesty, practicability and innovation, what we keep to each partner is fast delivery, steady quality and reliable after-sale service. With customers more than 30 countries like United States, Canada, Germany, Italy, Compass always welcome your customized products.

 

 

 

 

FAQ

Q1: What materials can be CNC machined?

Metals: Aluminum, steel, stainless steel, titanium, brass, copper
Plastics: ABS, PEEK, Nylon, Delrin, PTFE
Composites: Carbon fiber, G10
Wood & Foam (for prototyping)
 

Q2: What's the difference between 3-axis, 4-axis, and 5-axis CNC?

3-axis: Cuts in X, Y, Z directions (basic milling/turning).
4-axis: Adds rotation (A-axis), good for cylindrical parts.
5-axis: Rotates on two additional axes (B & C), enabling complex 3D shapes (e.g., aerospace parts).
 

Q3: What tolerances can CNC machining achieve?

Standard: ±0.1mm
High Precision: ±0.025mm (with fine finishing)
Ultra-Precision (Micro-Machining): ±0.005mm
 

Q4: What file formats are needed for CNC machining?

STEP (.stp), IGES (.igs), Parasolid (.x_t) - Best for 3D models
DXF, DWG - For 2D drawings
 

Q5: What are common CNC machining defects & how to avoid them?

Burrs - Use deburring tools or electropolishing.
Tool Marks - Optimize feed rate & spindle speed.
Warping (thin parts) - Proper fixturing & stress-relief annealing
 

Q6: Can CNC machines do threading & tapping?

Yes! CNC lathes/mills can cut:
Internal threads (tapping)
External threads (thread milling)
Custom thread profiles (e.g., ACME, NPT)