Your Professional Auto Copper Parts Supplier

 

 

Established in 2004, plant area 45000㎡, 2019 turnover is 220 million CNY. Zycalloy is committed to the development of copper alloy materials to meet the needs of industrial progress of special copper alloy.The types include complex brass, aluminum bronze, tin bronze, tin-lead bronze, silicon brass,manganese brass, and lead free copper. In the domestic copper alloy industry our materials stand in a leading position.Also supply the service of developing the copper alloy material according to the special requirements of customers.

 

 
  • Cooper Bushing
    Widely used in a variety of light industry, large, heavy machinery, copper bushing is an important component of the machinery. The advantages of copper bushings are reflected in the high hardness,...
    read more
  • Valve Guide Pipe
    Valve guide is the guiding device for the valve of automobile engine, the valve guide is to guide the valve and make the heat on the valve stem to be transferred to the cylinder head through the...
    read more
  • Cooper Thrust Bearing
    In the structure of automotive turbocharger, copper thrust bearing is very important, it not only directly affects the reliability and service life of the supercharger structure, but also the...
    read more
  • Floating Bearing
    Floating bearings are key moving parts of the turbocharger, and their structure is related to the reliability and durability of the turbocharger's operation. Floating bearings are commonly made of...
    read more
  • Compressor Swash Plate
    Compressor swash plate is an important component in the automotive air conditioning system, using the rotary movement of the swash plate to compress the refrigerant, so as to achieve the cooling...
    read more
 
Why Choose Us
 

Quality Control
Zycalloy strictly carry out the ISO9001 and IATF16949 standards for the operation and management.

 

R&D Capability
In recent years, the company has researched and developed a total of 21 new products and processes, including 9 government projects, which have won the third prize of scientific and technological achievements, and 21 patents on leading products, one of which is a patent for invention. The company also carries out targeted R&D work every year according to product positioning and customers' needs.

 

Industry Status
Zycalloy has become the most reliable copper alloy material supplier for many European and American companies in mainland China. In some projects, it has also developed new copper alloys with European and American customers to meet more stringent application and environmental standards.

 

High Quality
Our products are manufactured or executed to very high standards, using the finest materials and manufacturing processes.

 

 

Auto Copper Parts

 

 

Types of Valve Guide Pipe

 

Valve Guide Pipe

 

01

Bronze Valve Guides

Bronze valve guides have been used for a long time, and many engine designs still use them. A common alloy for bronze guides is a mix of copper, tin, and phosphorous called SAE 660. This material offers good wear resistance and helps lubricate the valve stems.

Valve Guide Pipe

 

02

Bimetallic Valve Guides

Bimetallic valve guides have a steel outer part and a bronze inner part. The outer steel section gives extra strength and stops the guide from bending or breaking, while the inner bronze section still allows for good lubrication.

Cooper Bushing

 

03

Plastic Valve Guides

Some modern engines, especially smaller and more fuel-efficient ones, use plastic valve guides. These guides are made of a special long-lasting nylon material designed to handle the heat of valve motion.

Floating Bearing

 

04

Tungsten Carbide Valve Guides

Tungsten carbide is a super-tough material that can withstand a lot of stress without wearing out. Some high-performance or heavy-duty engines may use tungsten carbide valve guides since they are likely to last a long time under extremely demanding conditions.

 

Functions of Valve Guide

 
 

Valve guide maintains precise alignment of the valve, positioning the valve head accurately with the valve seat for a tight seal.

 
 

By keeping the valve stem centered, the valve guide creates a consistent, low-friction interface, reducing metal-on-metal contact and increasing the durability of both valves and the guides.

 
 

During the combustion process, the valves reach extremely high temperatures. The valve guides transfer some of the heat from the valve stem to the cylinder head, helping to prevent the valves from overheating or deforming.

 

 

Characteristics of Floating Bearing
1

Material

Typically crafted from leaded bronze or aluminum, these materials are chosen for their strength, endurance, and ability to tolerate high temperatures.

2

Design

These bearings feature a unique construction with two bushes, positioned at each end of the bearing housing, allowing the shaft to pass through. This design permits the bushes to rotate within their housing, effectively creating a ‘bearing within a bearing’ scenario.

3

Clearances

Engineered with precise inner and outer clearances between the shaft, bearing, and housing, these specifications are crucial for enhancing the bearing’s load-carrying capacity and introducing damping to the system.

4

Lubrication

Essential for the longevity and functionality of the bearings, oil flow between the bearing and its housing is maintained to avert metal-on-metal contact and to incorporate damping features for better performance.

 

Specifications

 

 

1
productcate-1-1

Material

Valve guides can be made from different materials, each with its own features and advantages. The most common options are cast iron, which is a type of iron that contains carbon, and various types of alloys, such as copper-nickel, bronze, or beryllium-bronze alloys.

2
productcate-1-1

Inner diameter

The inner diameter of the guide must match the diameter of the valve stem to ensure proper fit and function. Valve guides generally have an up-to-0.5-inch inner diameter. In particular, semi-finished products of cast iron may have an inner diameter of 7/16".

3
productcate-1-1

Length

The length of the valve guide affects the support it gives to the valve stem. Longer guides may provide better alignment but can increase wear. Valve guides typically range from 0.5 to 2 inches in length.

4
productcate-1-1

Coating

Some valve guides have special coatings to improve their performance or longevity. For instance, manganese phosphate may be used to enhance wear resistance or reduce friction, while chrome plating can provide a smoother surface for the valve stem to glide on.

 

Specification of Floating Bearing

 

 

Item

Value

Type

Pillow Block

Applicable Industries

Hotels, Garment Shops, Building Material Shops, Manufacturing Plant, Machinery Repair Shops, Food & Beverage Factory, Farms, Restaurant, Home Use, Retail, Food Shop, Printing Shops, Construction works , Energy & Mining, Food & Beverage Shops, Advertising Company

Brand Name

LZC

Model Number

BF

Place of Origin

China

 

Guangdong

Precision Rating

P6

Size

0.68kg-2.12kg

Type

Pillow Block

System

Linear Motion System

Precision Rating

C7

Core Component

Bearing

 

Technical Specification

 

 

Particulars

Specification

Bore

4 - 20(Mm)

Outer Diameter

8 - 30(Mm)

Length

25 - 200(Mm)

Brand

AECO, ARROW

 

Usage scenarios of Valve Guide Pipe

 
 

Aerospace: The aerospace industry extensively employs high-performance valve guides in aerospace vehicles' engines, turboprop, and aircraft.

 
 

Power Generation: Power plants, such as those that produce hydroelectric power, rely on water turbine generators that extensively use valve guides. Valve guides used in power generation have to guarantee uninterrupted and smooth power delivery.

 
 

Marine: The marine industry also uses valve guides in ships and other sea vessels. Ships mainly use high-strength steel or titanium alloy valve guides due to their corrosion resistance properties.

 
 

Heavy Machinery: Heavy machinery, like those used in the mining industry, utilizes durable polyurethane valve guides. Mining industries require heavy machinery that can withstand wear and tear from frequent use.

 
 

Motorcycle Manufacturing: Motorcycle manufacturing companies need valve guides for their engines. They look for valve guide suppliers that can meet their required MOQ.

 

 

Packaging & Shipping

 

productcate-652-303

 

FAQ

 

Q: What are the latest trends in valve guide manufacturing?

A: Recent trends in the valve guide market include the growing demand for smart and automated machinery, which has increased the requirement for effective valve systems. The automotive sector's constant growth has kept up the demand for valve guides.

Q: How do the valve guides affect engine performance?

A: The performance of the engine is significantly impacted by the valve guides. They guarantee that the valves are correctly aligned and operate smoothly, reducing friction. The proper guide management contributes to the engine's longevity and optimal functioning by preventing valve wear and engine clearance.

Q: What materials are commonly used for valve guides?

A: The materials used for valve guides include bronze, polymer composites, and steel. Bronze guides are well-known for their wear resistance and durability. Steel valve guides offer robustness and support high-performance applications. For their lower friction properties and lightweight, polymer composite guides are prevalent in contemporary engine designs.

Q: What are floating bearings?

A: A floating bearing arrangement is a bearing arrangement or configuration in which the bearings and the mating component(s) are able to move freely relative to each other in either the radial or axial direction.

Q: What is the difference between a floating and semi floating bearing?

A: Semi-floating axles are often easier to maintain and repair since they have fewer components. However, full-floating axles provide easier access to the wheel bearings, which can simplify certain maintenance tasks.

Q: What is the reason for a floating bearing mount?

A: With temperature changes, the spindle can expand or contract. The floating bearing permits this movement without causing undesirable stresses or deformations that could affect the functionality or lifespan of the spindle.

We're professional auto copper parts manufacturers and suppliers in China, specialized in providing high quality OEM service. We warmly welcome you to buy customized auto copper parts from our factory.

Compressor Swash Plate, Valve Guide Pipe, Cooper Thrust Bearing
Send Inquiry
you dream it, we design it
We can create the alloy
of your dreams
contact us