At YF Gear, we manufacture high-precision gear racks designed to convert rotary motion into linear motion efficiently and accurately.
Our Spur Gear Racks and Helical Gear Racks deliver smooth, stable, and low-backlash performance, widely used in CNC machinery, automation systems, robotics, elevators, and industrial equipment.
With advanced CNC machining, heat treatment, and grinding technology, YF Gear provides customized gear rack solutions that ensure durability, alignment accuracy, and long service life for your motion systems.
A Gear Rack is a straight bar with precision-cut teeth that meshes with a pinion gear to generate linear motion.
Depending on the tooth orientation, YF Gear provides two types of racks to meet different motion and load requirements:
Spur Gear Rack – Straight-tooth design for simple, high-efficiency power transmission.
Helical Gear Rack – Angled-tooth design for smoother, quieter, and higher-load operation.
Both types are available in carbon steel, alloy steel, and stainless steel, with optional carburizing, induction hardening, and black oxide surface treatment for wear and corrosion resistance.
| Parameter | Range / Option | Description |
|---|---|---|
| Module (M) | 0.5 – 10 | Matches with corresponding pinion gears |
| Material | Carbon Steel, 45# Steel, Alloy Steel, Stainless Steel | High strength and durability |
| Tooth Profile | Spur (straight) / Helical (angled) | Different tooth orientations for performance needs |
| Length | 0.5 m – 2 m (customizable) | Rack sections can be jointed for long travel |
| Hardness | 40–55 HRC (induction hardened) | Improved wear resistance |
| Precision Grade | DIN6–DIN8 | Controlled accuracy and backlash |
| Surface Treatment | Black oxide, Zinc plating, Carburizing | Rust protection and enhanced appearance |
| Mounting Type | With holes / Without holes | Easy installation & alignment |
| Application | CNC, Automation, Robotics, Lifting Systems | Linear positioning and motion control |
| Feature | Spur Gear Rack | Helical Gear Rack |
|---|---|---|
| Tooth Orientation | Straight | Angled (typically 15°–30°) |
| Motion Smoothness | Moderate | Very smooth |
| Noise & Vibration | Higher at high speed | Lower noise & less vibration |
| Load Capacity | High | Higher due to greater contact area |
| Efficiency | Excellent | Slightly reduced (due to sliding contact) |
| Axial Force | None | Generates axial thrust |
| Manufacturing Cost | Lower | Slightly higher |
| Best Use Cases | Simple, low-cost linear systems | High-precision, quiet automation setups |
Engineering Tip:
Choose Spur Gear Racks when cost-efficiency and simplicity are key, such as in short-travel or low-speed systems.
Select Helical Gear Racks when your design requires smooth operation, higher speed, and reduced vibration — perfect for automation and robotics.
At YF Gear, every gear rack is manufactured under strict quality control to ensure accurate tooth geometry, surface hardness, and long-term reliability.
Production Highlights:
CNC machining centers with ±0.01 mm tolerance
Precision hobbing and grinding for uniform tooth profile
Induction hardening for wear-resistant performance
ISO 9001:2015 quality management certified
100% inspection for straightness, pitch error, and hardness
| Industry | Application | Function / Benefit |
|---|---|---|
| CNC Machines | X/Y-axis drive systems | Accurate, high-speed positioning |
| Robotics & Automation | Linear actuators, manipulators | Smooth and quiet motion |
| Elevator & Lifting Equipment | Lifting platforms, hoists | Reliable load support and control |
| Door & Gate Systems | Sliding doors, gate drives | Compact, efficient linear motion |
| Conveying Systems | Material transport & sorting lines | Long-travel precision control |
| Concern | What Customers Ask | YF Gear Solution |
|---|---|---|
| Backlash | “Can you minimize backlash for precision motion?” | We offer precision grinding (DIN6) and preloaded assembly options. |
| Noise | “We need quiet linear movement.” | Helical racks with optimized helix angles reduce noise <60dB. |
| Wear Resistance | “How long will the rack last under continuous load?” | Induction hardening + carburized steel ensures 10,000+ hour service life. |
| Lubrication | “How should I maintain my rack system?” | Apply EP gear grease every 1,000 hours for optimal lifespan. |
| Customization | “Can you match a rack with my pinion gear?” | Yes — we offer matching pinions and CAD-based rack design service. |
Q1: What is a gear rack used for?
Gear racks convert rotary motion into linear motion and are widely used in automation, CNC machinery, and door systems.
Q2: What is the difference between spur and helical gear racks?
Spur racks have straight teeth for high-efficiency, low-cost systems; helical racks have angled teeth for smoother and quieter performance.
Q3: Can gear racks be jointed for long-travel applications?
Yes — our racks are designed for seamless connection, maintaining tooth continuity and precision alignment.
Q4: What materials are recommended for heavy-duty systems?
We recommend hardened alloy steel or 45# carbon steel for heavy-load and high-cycle applications.
Q5: Do you offer matching pinion gears?
Yes — we provide complete rack and pinion sets to ensure perfect compatibility.
Q6: Are your gear racks RoHS or ISO certified?
Yes, all products comply with ISO 9001 and RoHS standards for quality and safety.
ISO 9001:2015 Quality Management System
RoHS Environmental Compliance
DIN Standard Precision Manufacturing
Full Material & Heat Treatment Reports Available
Looking for custom gear racks for your automation or CNC project?
Upload your drawing or tell us your module, length, and accuracy requirements — our engineers will send you a free quote within 24 hours.
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