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Qingdao Compass Hardware Co., Ltd. specializes in the precision manufacturing of high-tolerance bushings. Leveraging over 15 years of machining expertise, we produce durable and reliable bushings that reduce wear, minimize friction, and extend the lifespan of machinery across various industries. Our commitment is to deliver bushings that meet exact specifications for fit, function, and performance.
Rigorous Quality Control & Inspection
Every bushing is inspected to guarantee dimensional accuracy and quality.
Our Inspection & Testing Equipment:
Coordinate Measuring Machine (CMM): Verifies complex geometries and ensures conformity to CAD models.
Digital Inside/Outside Micrometers & Calipers: For rapid and accurate measurement of critical diameters and widths.
Surface Roughness Tester: Measures the surface finish of the bore and outer diameter to ensure optimal performance.
Optical Comparator: Checks profile accuracy, such as the shape of flanges or special grooves.
Product Material & Surface: We offer a wide selection of materials and coatings to suit specific operational environments.
Product Applications:
Our precision bushings are critical components in a wide array of industries and equipment, including:
--Industrial Automation & Robotics: Linear guides, rotary joints, actuator arms.
--Automotive: Suspension systems, transmissions, steering linkages.
--Agricultural & Construction Machinery: Pivots, linkages, and high-stress pivot points.
--Material Handling Equipment: Conveyor rollers, pulley systems.
--Marine Applications: Corrosion-resistant bushings for control systems.
Product Dimensions & Tolerances
We manufacture bushings in a wide range of sizes, from miniature to large-scale.
1.Typical Dimensional Range:
Inner Diameter (ID): From 3mm (0.12") to 500mm (20").
Outer Diameter (OD): Up to 600mm (24").
Length: Up to 600mm (24").
2. Standard Tolerances:
Dimensional tolerances typically held to IT6-IT8 grades or ±0.01mm as standard.
Tighter tolerances (e.g., ±0.005mm) and specific geometric tolerances (roundness, cylindricity) are available upon request.
Add： Room 2-2703, Building 2, NO.11 Zaoyuan Road, Licang District, Qingdao, China.
Email： sales@compass-casting.com
Tel: +86 0532-80913852
Inquiry email: cora@compass-casting.com
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