What is Worm
Worm use: the core component of the transmission system, widely used in the deceleration/steering mechanism of machine tools, automobiles, textile machinery, and construction machinery;
Materials: 45 steel, 40Cr alloy steel, 304 stainless steel, etc.;
Geometric characteristics: helical tooth shape, multi-wire thread (1-4 heads), high tooth surface accuracy requirements;
Common risks: tooth shape deviation leads to high transmission noise, poor surface roughness causes wear, and processing deformation affects the assembly.
Worm Whirling Core Pain Point
There are three major bottlenecks in traditional processing methods (such as ordinary milling machine + manual grinding): (1) insufficient precision (tooth shape error >0.05mm), resulting in low transmission efficiency after assembly; (2) low efficiency (4-5 minutes for single worm machining), delaying order delivery, and (3) high maintenance costs (fast tool loss, frequent manual debugging), squeezing profit margins.
Worm Whirling Process
Blanks (forgings/castings) → roughing (5-axis linkage rapid removal), → finishing (cyclone milling tooth forming), → cooling treatment (elimination of residual stress), → in-line inspection (closed-loop quality control)
Key points of the sub-link
- Rough machining: adopt a five-axis linkage system, with carbide coating tools, quickly remove 70% of the margin, and reduce the subsequent processing load;
- Finishing: Customized cyclone milling head (power 4-2.3kW, rotation speed 600-1200rpm) + CAM optimized tool path, precise milling of tooth shape, ensuring tooth surface roughness Ra≤6.3μm;
- Cooling treatment: high-pressure cooling system reduces the processing temperature and controls the deformation of the workpiece ≤ 0.01mm;
- Inspection: The online measuring instrument collects tooth shape data in real time, compares it with the design value, and automatically adjusts the tool path to achieve a closed loop of quality.
PH50-1000 CNC Cyclone Milling Machine
PH50-1000 CNC Cyclone Milling Machine is a high-precision, 4-axis CNC equipment engineered for efficient manufacturing of worms, lead screws, rotors, and roller shafts. It delivers superior surface finish (Ra ≤6.3μm) and a 40% faster processing cycle compared to traditional methods, ensuring high productivity and consistent quality for precision component production.
Worm Whirling Earnings Data
| Indicator | Traditional Processing | PH50-1000 Processing | Improvement Range |
|---|---|---|---|
| Positioning Accuracy | ±0.03mm | ±0.015mm | 50%↑ |
| Processing Cycle (for 2-start worm) | 4min | 2min 30s | 40%↑ |
| Scrap Rate | 15% | 5% | 67%↓ |
| Tool Life | 500 pieces | 600 pieces | 20%↑ |
| Surface Roughness (Ra) | 12.5μm | ≤6.3μm | 50%↓ |
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