Standard Straight Gear Rack
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Standard Straight Gear Rack

The Standard Straight Gear Rack is a precision-engineered linear motion transmission component designed to convert rotary motion into stable, accurate, and repeatable linear movement when paired with a matching pinion gear.
It is a critical component in CNC machinery, automation systems, robotics, and industrial equipment where motion accuracy, long-term stability, and system repeatability directly affect machine performance.
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Product Introduction

Product Overview

 

The Standard Straight Gear Rack is a precision-engineered linear motion transmission component designed to convert rotary motion into stable, accurate, and repeatable linear movement when paired with a matching pinion gear.

 

It is a critical component in CNC machinery, automation systems, robotics, and industrial equipment where motion accuracy, long-term stability, and system repeatability directly affect machine performance.

 

As a professional manufacturer and exporter of rack and pinion systems, Ruixin focuses on providing OEM-grade transmission components for industrial machine builders and global distributors.

 

Engineering Technical Data

 

Parameter

Specification

Product Type

Standard Straight Gear Rack

Module Range

M1 – M12 (Custom available)

Accuracy Grade

DIN 6 / DIN 7 / DIN 8

Material

C45 / 40Cr Alloy Steel / Stainless Steel

Hardness

HRC 40–55 (Heat Treated)

Length

500 / 1000 / 2000 mm or Custom

Tooth Type

Straight Spur Rack

Manufacturing Process

CNC Hobbing + Heat Treatment + Optional Grinding

Surface Roughness

Ra 1.6 – 3.2

Straightness Tolerance

≤ 0.02 mm / 1000 mm

Pitch Accuracy

DIN standard controlled

Backlash

Application-based low backlash design

 

Why Industrial Buyers Choose Ruixin

01/

Engineering-Level Precision Control
Unlike general market suppliers, Ruixin applies strict production control for:
Controlled pitch accuracy per production batch
Stable straightness for long rack assembly systems
Consistent tooth profile geometry for smooth meshing

02/

Cumulative Error Control for Long Travel Systems
Our gear racks are engineered for long-axis transmission systems:
Reduced cumulative linear deviation in multi-rack assembly
Optimized alignment compatibility between segments
Suitable for gantry CNC and large-scale automation systems

03/

Batch Consistency & Interchangeability
Standardized production system ensures repeatable dimensions
Racks from different batches remain fully assembly-compatible
Eliminates risk in OEM mass production supply chains

04/

Industrial Manufacturing Capability
CNC gear hobbing production lines
Heat treatment (optional hardened series)
Optional precision grinding for high-end applications
Full in-house quality inspection system

05/

Engineering Support for OEM Projects
Technical drawing review before production
Pinion matching recommendation service
Application-based product selection support

 

Application Engineering

 

CNC Machine Systems: CNC gantry milling machines, heavy-duty machining centers, CNC routing tables.

 

Industrial Automation: Multi-axis linear positioning systems, factory automation lines, pick-and-place robots.

 

Robotics & Gantries: Heavy palletizing robots, 7th-axis robot transfer units, automated storage/retrieval systems (ASRS).

 

Special Machinery: High-speed fiber laser cutting systems, packaging machinery, textile production lines.

 

Material Selection

 

C45 Carbon Steel (AISI 1045)
Best for standard industrial motion, automated material handling, and structural lifting.
Offers an exceptionally cost-effective solution with excellent machinability for secondary modifications.

 

40Cr Alloy Steel (AISI 5140)
Engineered for precision CNC routers, laser cutters, and high-velocity automation lines.
Achieves superior core toughness and high surface hardness after induction heat treatment, delivering maximum wear resistance under heavy shock loads.

 

Stainless Steel (SUS304 / SUS316)
Ideal for food processing machinery, medical packaging, chemical plants, and outdoor/marine applications.
Provides excellent corrosion resistance and operational stability in high-humidity or sterile environments.

 

Manufacturing Process

Certified steel raw material selection

CNC precision gear hobbing

Heat treatment (optional hardened version)

Straightness correction & calibration

Optional precision grinding

Full dimensional inspection

Anti-rust export packaging

 

OEM / ODM Customization Capabilities

 

We fully support customized engineering requests:

 

Custom Tooth Parameters: Helical options, special pressure angles, or unique pitch sizes.

 

Tailored Dimensions: Specific mounting hole patterns, specialized end-cuts, and variable lengths.

 

Surface Treatments: Black oxide, zinc plating, phosphating, or specialized anti-corrosion coatings.

 

Private Labeling: Laser marking, part numbers, and custom branding for international distributors.

 

Packaging & Delivery

Packaging Options

Anti-rust oil protection
Plastic film sealing
Wooden export crates
OEM branded packaging available

Delivery Methods

Sea freight (FCL / LCL)
Air freight
Express sample shipment

Lead Time

Standard products: 15–25 days
Customized orders: 25–40 days

 

FAQ

 

Q: How do you control cumulative error in long rack systems?

A: We control pitch accuracy and straightness during production and ensure modular compatibility for long-axis assembly systems.

Q: Can racks from different batches be assembled together?

A: Yes, our production system ensures batch-to-batch interchangeability within tolerance standards.

Q: What inspection equipment do you use?

A: We use professional gear measurement systems, hardness testers, and precision straightness inspection tools.

Q: Do you support OEM machine manufacturers?

A: Yes, we provide full OEM support including drawing review and system optimization suggestions.

Q: What is the difference between standard and ground racks?

A: Ground racks provide higher precision and lower backlash, suitable for high-end CNC systems.

Q: Can you provide matching pinion gears?

A: Yes, we can supply or recommend matching pinions for full transmission system optimization.

Q: What industries are your gear racks used in?

A: CNC machinery, automation systems, robotics, and industrial motion systems.

Q: What is your MOQ?

A: Flexible MOQ depending on specification; trial orders are supported.

 

Get Engineering Support

 

Looking for a reliable gear rack supplier for your machine project or distribution business?
Send your drawings or technical requirements.
Receive engineering evaluation within 12–24 hours.
Get optimized rack & pinion matching solution.
OEM customization for global industrial applications.

 

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