Precision Mechanical
Power Transmission

Chengdu Unik Machinery Co., Ltd. is a trusted manufacturer of high-performance mechanical components. We deliver punctual service, superior quality, and competitive pricing to customers across Europe, North America, South America, and Southeast Asia.

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Our Core Product Lines

Engineered for reliability, precision, and long service life. All products are manufactured under strict quality control standards.

Keyless Locking Device

Models: KLD-1, KLD-2, KLD-14, KLD-18, KLD-19, KLD-33, KLD-34
Zero backlash, high torque transmission
No keyway stress concentration
Easy installation and removal

Keyless Bushing

Models: KB-6, KB-7, KB-8, KB-9
Friction-based locking mechanism
Eliminates need for keys and keyways
Reusable and maintenance-free

Timing Belt Pulley

Types: AT5, AT10, T5, T10, HTD3M, 14MGT
Metric pitch precision
Aluminum or steel construction
Bar stock and custom options available

Torque Limiter

Models: RTL, UTL
Overload protection for drive systems
Adjustable torque settings
Fast reset and reliable performance

Rigid Coupling

Types: RSC1-ST, RSC1-SS, RSC2-ST, RSC2-SS
One-piece and two-piece designs
Steel and stainless steel options
High torsional rigidity

Shaft Collar

One-piece and two-piece variants
Set-screw and clamp styles
Precise positioning and locking
Corrosion-resistant finishes

Spider Jaw Coupling

Types: UJC (Curved), UJC-G (Grooving), L-type (Straight)
Accommodates misalignment
Vibration damping with elastomer spider
Low maintenance and long life

Customized Components

Spur Gears & Bevel Gears
Curved Tooth Gear Couplings
OEM/ODM manufacturing
Based on drawings or samples

About Unik Machinery

Chengdu Unik Machinery Co., Ltd. is a professional manufacturer specializing in mechanical power transmission components. With years of engineering experience and a commitment to excellence, we provide reliable, high-standard solutions that meet the demanding needs of industrial applications worldwide.

Our core values include punctual delivery, uncompromising quality, and cost-effective pricing. These principles have enabled us to build strong partnerships with clients across Europe, North America, South America, and Southeast Asia.

✓ Precision-engineered for durability and performance

✓ Strict quality control in every production stage

✓ Customization based on client specifications

✓ Fast global shipping and responsive support

Why Choose Unik Machinery?

We combine advanced manufacturing techniques with rigorous quality assurance to deliver components you can trust.

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High Precision

Tight tolerances ensure perfect fit and optimal performance in critical applications.

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Durable Materials

We use high-grade steel, stainless steel, and aluminum for long-lasting reliability.

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Global Export

Trusted by customers in Europe, Americas, and Southeast Asia for consistent quality.

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OEM/ODM Support

Custom designs, packaging, and branding available for your business needs.

1000+

Components Manufactured

50+

Global Markets

15+

Years Experience

99.8%

Customer Satisfaction

Frequently Asked Questions

Find answers to common inquiries about our products and services.

What are the advantages of keyless locking devices?

Keyless locking devices eliminate stress concentrations caused by keyways, allow infinite positioning on shafts, provide higher torque transmission, and are easier to install and remove compared to traditional keyed connections.

Do you offer custom machining services?

Yes, we provide OEM and ODM services. You can send us your drawings, samples, or specifications, and we will manufacture components according to your requirements, including gears, couplings, and specialized transmission parts.

What materials do you use for your pulleys and couplings?

We use aluminum alloy, carbon steel, and stainless steel depending on application requirements. Material selection is based on strength, corrosion resistance, weight, and environmental conditions.

How do torque limiters protect machinery?

Torque limiters disconnect or slip when overload occurs, preventing damage to motors, gearboxes, and other expensive components. They act as a mechanical fuse, ensuring system safety and reducing downtime.

What is the delivery time for standard products?

Standard items are typically shipped within 7–15 business days after order confirmation. Custom orders may require additional time depending on complexity and quantity.

Product Documentation

Access detailed specifications, CAD drawings, and technical guides.

Document	Size	Updated	Download
Torque Limiter UTL-Unik.pdf	526KB	2023-05-12	Download
Keyless Locking Device.pdf	1.03MB	2019-10-24	Download
Keyless Bushing.pdf	389KB	2019-10-24	Download
Timing Belt Pulley.pdf	2.03MB	2019-10-24	Download

Get in Touch

Have questions about our products or need a quote? Reach out to our team for expert support.

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Email

joanna@unik-machinery.com

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Phone

+86-28-6189 0136

+86-18008048263

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Skype

+8618008048263

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Precision Mechanical Power Transmission