Hongliang

The company adheres to a business philosophy of surviving through quality, growing together with our customers, and winning the market through integrity. We always put customer interests first and strive for customer satisfaction, wholeheartedly providing high‑quality castings. With a scientific and sincere approach, we earn broad recognition from our clients and enjoy their strong approval and trust.

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2026-09-22

C93800 Bronze Bushing: Properties, Applications and Selection Guide

Complete 2026 guide to C93800 bronze bushing: chemical composition, load ratings, installation tolerances, machining tips, and side-by-side alloy comparison vs. C93200 and C95400.

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2026-09-20

C93700 bronze bushing: specs, uses, and selection guide

Complete 2026 guide to C93700 bronze bushing: ASTM B584 specs, alloy comparison table, PV limits, press-fit tolerances, installation steps, and real-world failure analysis for engineers and buyers.

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2021-04-06

The excellent performance and characteristics of graphite copper bushings

Mold guide posts are used in conjunction with components within the mold to ensure smooth movement and precise guidance of the mold’s travel. Standard graphite‑copper bushings are made from SUJ2 material, offering high hardness, excellent wear resistance, and superior interchangeability, thereby meeting the production requirements of a wide range of molds. A unique heat‑treatment process and imported semi‑automatic machining equipment significantly shorten the production cycle while effectively enhancing the quality of mold guide posts. Graphite‑copper bushings are primarily composed of high‑strength copper alloys—also known as JDB solid‑inlaid self‑lubricating bearings. So, what are the key characteristics of graphite‑copper bushings?

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Copper Sleeve: Non-standard Customized Winch Copper Sleeve

A copper sleeve is a lightweight, compact lifting device that uses a drum to wind wire rope or chain for hoisting or pulling heavy loads; it is also known as a winch. The copper sleeve is one of the essential components of a winch. Winches can be used independently or incorporated as part of lifting, road‑construction, and mine‑hoisting machinery. Due to their simple operation, large rope capacity, and ease of relocation, they are widely employed.

2021/04

Copper Bushings: What Applications Do Copper Bushings Have in Crushers?

The importance of copper bushings in crushers is primarily reflected in the following aspects: First, copper bushings serve as sliding bearings within the crusher, enduring substantial impact loads and stringent temperature control during operation. Consequently, the material and specifications of the copper bushing directly affect the crusher’s performance; therefore, it is essential to tailor wear‑resistant, high‑pressure‑rated copper alloy materials to prevent the crusher from seizing or failing under operational conditions.

2021/03

Copper Sleeves: A Comparison of Wear Resistance Among Different Materials

Copper bushings are more wear‑resistant than steel bushings; however, steel bushings are rarely used in practice because they can quickly wear down the shaft. Typically, when designing journal bearings, two different materials are employed for the shaft and the bushing. Since the shaft rotates while the bearing liner remains stationary, friction is inevitable during operation, leading to wear on both the shaft and the bearing liner.

2021/03

Copper Bushings: What Should Be Noted When Using Composite Copper Bushings?

Copper Sleeve: What is a composite copper sleeve? By definition, it refers to a product that combines two different materials. A common example is a composite sleeve with a copper inner layer and a steel outer layer, though many other configurations exist. Since these are manufactured as composite sleeves, they must be used on specialized equipment and are relatively precision‑engineered components; therefore, careful handling is essential. Regardless of the material used, all copper sleeves should be operated in accordance with the specified tolerances, as the cost of copper sheeting is inherently higher than that of other materials.

2021/02

Select centrifugal-cast lead bronze bushings.

Centrifugal casting of lead‑bronze bushings can also be used to precisely control rotational speed and temperature, resulting in cast bushings free of porosity and blowholes. Material selection is crucial; wear‑resistant components such as bushing gears can be chosen to withstand moderate loads and operating speeds.

2021/01

Precautions for Centrifugal Casting of High-Lead Copper Bushings

Centrifugally cast high-lead copper bushings are widely used in the electrical and electronics industries, accounting for more than half of total consumption. They are employed in a variety of cables and wires, including those for electric motors and transformers, switches, and printed circuit boards. Additionally, they are utilized in the manufacture of industrial valves and fittings, instruments, sliding bearings, molds, heat exchangers, pumps, and other applications.

2021/01

Piston Skirt Bronze Ring: Functions of the Piston Ring and Its Structure

Piston skirt copper ring. The piston is one of the critical components in a diesel engine; together with piston rings and cylinder liners, it forms the piston assembly. Alongside the cylinder head, it defines the engine’s combustion chamber, bearing the forces generated by the combustion of the fuel and transmitting the driving force to the crankshaft via the cylinder liner and connecting rod, thereby enabling the entire operating cycle of the internal‑combustion diesel engine.

2020/11