We are well aware that technology must be continuously improved, otherwise our plastic vacuum silencer, Manual Disc Filters, cylinder water filter will not be able to compete with other similar products. We are proud to supply our products to every auto fan all around the world with our flexible, fast efficient services and strictest quality control standard which has always approved and praised by customers. Our company ensures professional technical equipment and sufficient development funds. We are committed to improving leadership, execution and cohesion with culture, promoting productivity with culture, and improving the overall development level of the company with soft power.

Production Introduction

Graphite Bronze Bushing are manufactured of pressed copper and tin powders by sintered technology and impregnated with lubricating oil and high porosity (20-25% in volume).

The oil contained in the porosity provides a constant lubrication between bearing and shaft, the system does not need any additional external lubricant, allows this type of Bronze Bushing to work under hydrodynamic conditions. which resulting in a very low friction coefficient and maintenance-free for general engineering applications.

Detailed Images

Specification

Bushing Properties

GENERAL		Unit	Value
Maximum load, p	Static Dynamic	N/mm2 N/mm2	20 10
Operating temperature	Min Max	°C °C	-180 +300
Minimum density		g/cm3	6.2
Minimum apparent porosity		%	20
Maximum sliding speed, U	m/s		0.1 - 6.0 *
Maximum pU factor	N/mm2 x m/s		0.1 - 1.8 *
Coefficient of friction			0.05 - 0.25 *
Surface roughness, Ra	µm		≤ 0.3 - ≤ 0.6
Surface hardness	HB		> 240 - > 355

Certificate & Packing

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FAQ

Q: What is Graphite Bronze Bushing MOQ?
A: We are enjoying to grow up together with all of our clients whatever big or small orders.

Q: Can DALON make customized products?
A: Yes, DALON can offer OEM / ODM manufacturing and produce by custom design.

Q: Will drawing or sample design safe after DALON get it?
A: DALON will NOT release your design to any third parties without your permission. Usually we will sign NDA before all drawing and samples.

Q: Can DALON offer design services?
A: DALON have R&D and can offer special design about your requirements with drawing 3D in format IGES/STEP, PDF/ CAD in DGW/DXF & photos.

Q: How about Quality System?
A: DALON have ISO9002 quality system and in-house inspection by Bubble Test Equipment, CMM, Hardness Tester, Roughness Tester, Salt Spray Tester, Tensile Strength Test, Caliper, Micrometer, Height Gauge, Ring and Plug Gauge, Pin Gauge, etc.

Q: About Sample?
A: DALON can supply the samples for FREE, but the customers have to support the tooling cost if have and the courier cost

Q: Tooling Charge?
A: Tooling charge is one off when first order, all future orders would not charge again even tooling repair or under maintains.

Q: Lead Time?
A: DALON usually effect delivery within 21days after advance payment. Stock items could be delivered within 3days. If item need open tooling, consider extra 7days.

Q: Payment Terms?
A: Advance 50% and balance against copy of shipping B/L. For long term business DALON have more advantage terms for payment.

Q: How to deal with the complains if happens?
A: In any case of complains, please contact DALON within 30days after receive the goods, DALON will find the root causes and corrective & preventive actions. DALON will take full responsibility for the claims.

With the aim of pursuing zero-defect quality, we strive to provide customers with cost-effective and high grade Oilless Bronze Graphite Copper Washers Bearing Bushing for Crusher Parts. Our products are the result of extensive market research and hundreds of experiments. The core competitiveness of our company for survival and development is focused on the product manufacturing ability, which is manifested in the integration and operation ability of our brand.

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