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CNC Gear Hobbing Machines
YB100 Series Precision CNC Horizontal Gear Hobbing Machines
The YB100 series comprises precision CNC horizontal gear hobbing machines for small- and medium-diameter spur and helical gears. The YB100, YB100II and YB100III share a maximum workpiece diameter of Ø100 mm and a maximum module of 3 mm, with model-specific work-spindle and CNC configurations.
- MOQ: 1 set
- Brand: SIPENG CNC — Tianjin, China
- Configuration: Tooling / bar feeder / parts collection / automation
- Quotation: reply within 24 hours
Specifications
| Models | YB100 / YB100II / YB100III |
|---|---|
| Machine type | CNC horizontal gear hobbing machine |
| Controlled axes | X, Y, Z, W, A, B and C |
| Simultaneous control | Four-axis simultaneous control |
| Maximum workpiece diameter | Ø100 mm, all models |
| Maximum module | 3 mm, all models |
| Maximum slide travel | 220 mm, all models |
| Tooth-count range | 3–999 teeth, all models |
| Hob-head swivel angle | ±45°, all models |
| Maximum hob diameter | Ø80 mm, all models |
| Hob arbor diameter | Ø13 mm, all models |
| X / Z rapid traverse speed | 10 m/min, all models |
| Work spindle maximum speed | YB100: 1,000 r/min (torque motor); YB100II: 500 r/min; YB100III: 500 r/min |
| Work spindle rated torque | YB100: 95 N·m; YB100II: 20 N·m; YB100III: 18.6 N·m |
| Work spindle configuration | YB100: FANUC torque motor with oil-cooling unit; YB100II / YB100III: precision gear transmission |
| Hob spindle maximum speed | YB100 / YB100II: 5,000 r/min; YB100III: 4,000 r/min |
| Hob spindle rated power | YB100 / YB100II: 5.5 kW; YB100III: 3.9 kW |
| X / Z servo motor rated torque | YB100 / YB100II: 11 N·m; YB100III: 8.34 N·m |
| Y servo motor rated torque | YB100 / YB100II: 3.5 N·m; YB100III: 3.2 N·m |
| W servo motor rated torque | YB100 / YB100II: 7 N·m; YB100III: 5.39 N·m |
| A servo motor rated torque | YB100 / YB100II: 11 N·m; YB100III: 8.34 N·m |
| CNC system | YB100 / YB100II: FANUC; YB100III: Syntec |
| Spindle and servo motors | YB100 / YB100II: FANUC; YB100III: Syntec |
| Gear accuracy | Grade 6 per GB/T 10095-2001 for spur and helical gears with module ≤1.5 mm |
| Machine weight | 5,000 kg, all models |
| Overall dimensions (L × W × H) | 2,200 × 2,000 × 2,200 mm, all models |
Product Details
Product Overview
The YB100 series is designed for efficient, precision hobbing of small- and medium-diameter cylindrical spur and helical gears. The seven-axis platform controls the X, Y, Z, W, A, B and C axes, with four-axis simultaneous control. Maximum workpiece diameter is Ø100 mm and maximum module is 3 mm.
Key Features
- High-rigidity machine structure with precision linear roller guides.
- Standard CNC functions include linear interpolation, travel-limit protection, an electronic gearbox and a retract function.
- The YB100 uses a FANUC torque-motor work spindle and original FANUC encoder for backlash-free transmission, with an oil-cooling unit.
- The YB100II and YB100III use precision gear-driven work spindles.
- YB100 and YB100II use FANUC CNC; YB100III uses Syntec CNC.
- The graphical operator interface can be adapted through secondary development to support automated programming and machining.
Applications
Designed for hobbing cylindrical spur and helical gears. The supplied specification states Grade 6 gear accuracy per GB/T 10095-2001 for spur and helical gears with module ≤1.5 mm. Applications involving hardened gear surfaces require workpiece, tooling and process validation.
Configuration note: Work-spindle speed, torque, hob-spindle performance, servo ratings and CNC system vary by model. Confirm the selected model and process capability for the intended workpiece with the manufacturer before ordering.
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Frequently Asked Questions
I can provide drawings, material and blank specifications. Can you recommend the right machine and machining route?
Yes — that is exactly how we start. Send the drawing (PDF, DWG or STEP), material grade, blank dimensions, key tolerances and your target output. Our engineers review the part geometry and process, then recommend a machine model, fixture concept and machining route, together with an estimated cycle time. We reply with a written evaluation and quotation within 24 hours.
Can my part be completed in one setup? Which operations would need other equipment?
It depends on geometry, size and accuracy, so we answer this per part, not in general. After reviewing your drawing we reply in writing: which operations are completed in one clamping, which need a second operation or a different machine, and what the recommended process chain looks like. If a part genuinely needs two setups, we say so instead of promising one-setup results.
Are cutting tools, fixtures, bar feeder and CNC programs included?
They can all be included — the delivery scope is defined line by line in our quotation. A typical turnkey package covers the machine, fixtures designed for your parts, the tooling package, bar feeder integration and CAM programs for your parts, plus a recommended consumables list. If you prefer machine only, or want to keep your existing tooling, the scope is adjusted and every included and excluded item is listed before you sign.
How do you evaluate the machining time for my parts?
We build the process route first, then calculate cycle time from tool paths and cutting data, and cross-check it with CAM simulation. The estimated time per part is stated in the proposal. During trial cutting the actual cycle time is measured; the measured result — not the paper estimate — is the basis for acceptance, so the number you plan production around is a verified one.
Can you run trial cutting with my own material?
Yes, and we recommend it. You send material or blanks; after the machine, fixtures and programs are ready we machine your parts, record cutting parameters, cycle time and tool behaviour, and provide a trial report with measurement results, photos and video. The trial schedule is agreed with you in advance, so you can attend in person or follow it remotely.