OEM GB-42CrMo Steel Valve Bushing Shaft Bushing Rod CNC Machining Parts

OEM (Original Equipment Manufacturer) GB-42CrMo steel valve bushings, shaft bushings, and rods are precision-machined components that are tailored to meet the specific requirements of original equipment manufacturers. The use of GB-42CrMo steel, a high-strength alloy known for its excellent mechanical properties, ensures durability and reliability in even the most demanding applications.
CNC (Computer Numerical Control) machining is employed in the manufacturing process to guarantee precise dimensions and tolerances. This advanced technology allows for the creation of custom-made parts that fit specific valve and shaft assemblies with utmost accuracy.
Valve bushings play a crucial role in the smooth operation of valves, providing a precise fit and reducing friction. Similarly, shaft bushings and rods are essential components in the transmission of power and torque, ensuring efficient energy transfer.
The CNC machining process ensures that each part is manufactured to the highest standards of quality and precision. From the initial design to the final finish, every step is carefully controlled to ensure consistency and reliability.
In conclusion, OEM GB-42CrMo steel valve bushings, shaft bushings, and rods CNC machining parts are an excellent choice for manufacturers seeking high-performance, durable components for their equipment. Wh it's for industrial machinery, automotive applications, or any other demanding use, these precision-machined parts are sure to meet and exceed expectations.

GB-42CrMo / Precision steel-related parts services supplier made to order from china

OEM GB-42CrMo Steel Valve Bushing Shaft Bushing Rod CNC Machining Parts.Focus on the production of motor shaft and various types of shaft, shaft core manufacturers,various motor shaft, rotating shaft, gear shaft.
Drilling, Etching / Chemical Machining, Laser Machining,Lathed Parts High Precision CNC Connecting Pins Custom Forging Turning 42CrMo made to order from china.

GB-42CrMo

Features of Steel Material Drilling Service

Precision.
Rapidity.
High Efficiency.
Cost Saving.
Service-oriented.
The company has a set of advanced production, processing, testing equipment and perfect management mode, the company has no core grinder, cylindrical grinder, CNC lathe, CNC milling machine, automatic lathe, gear hobbing machine bed,Rolling machine tools, thorough and complete equipment to ensure timely delivery of orders
CNC PINS- CNC Industries Broaching, Drilling, Etching / Chemical Machining, Laser,Custom Model Size,Process Method:CNC Custom Machining Lathing, Turning, Milling.precision machining custom size.
Material round steel material: 42CrMo -SAE4140
Common material processing
Stainless steel
301304 etc.
Carbon steel
20#, 35#, 45# 40CR
Stainless iron
1Cr17, 2Cr13, 3Cr13, 6Cr13, 7Cr17, etc
Other commonly used alloy steel
35CrMo, 20Cr, 40Cr, 40CrMo, 42CrMo, 20CrMnTi, 20CrMMnMo, etc
SAE4140 strength, high hardenability, good toughness, quenching deformation is small, high temperature creep strength and durable strength.Used for manufacturing forgings with higher strength and larger quench and mass section than 35CrMo steel, such as large gear for locomotive traction, supercharger transmission gear, rear axle, connecting rod and spring clamps with heavy load, and also used for drilling pipe joints and fishing tools in deep oil Wells below 2000m.
42CrMo steel is ultra-high strength steel with high strength and toughness, good hardenability, no obvious temper brittleness, high fatigue limit and resistance to multiple impacts after quenching and tempering, good low temperature impact toughness. The steel is suitable for the manufacture of large and medium-sized plastic molds that require a certain strength and toughness.
Applicable scope:
High strength, high hardenability, good toughness, low deformation during quenching, high creep strength and long-lasting strength at high temperatures. Forgings requiring higher strength and larger quenching section than 35CrMo steel, such as locomotive traction Gears, supercharger gears, pressure vessels, rear axles, for load, for, for, for, and for, and, and

Material Characteristics:

42CrMo steel has high strength and toughness, good hardenability, no obvious temper brittleness, small deformation during quenching, high fatigue limit and resistance to multiple impacts after quenching and tempering, good low temperature impact toughness, High creep strength and long-lasting strength at high temperatures. The steel usually has a quenched surface after quenching and tempering as a heat treatment scheme.

chemical composition:

Carbon C: 12:38 ~ 00:45%

Silicon Si: 0.37% to 0:17 ~

Manganese Mn: 0.50 ~ 0.80%

Sulfur S: Allow residual content ≤0.035%

Phosphorus P: Allowable residual content ≤0.035%

Chromium Cr: 0.90 ~ 1.20%

Nickel Ni: Permissible residual content ≤0.030%

Copper Cu: Permissible residual content ≤0.030%

Mo: 0.15 ~ 0.25%

Mechanical properties

Tensile strength σb (MPa): ≥1080 (110)

Yield σ σs (MPa): ≥930 (95)

Elongation δ5 (%): ≥12

Section shrinkage ψ (%): ≥45

Impact work Akv (J): ≥63

Impact toughness value αkv (J / cm 2): ≥ 78 (8)

Hardness: ≤217HB [1]

Specimen size: sample blank size is 25mm

Physical properties

1) Critical point temperature (approximate): Ac1 = 730 ° C, Ac3 = 800 ° C, Ms = 310 ° C.

2) Linear expansion coefficient: ~ 20 ~ 100 ° C / 20 ~ 200 ° C / 20 ~ 300 ° C / 20 ~ 400 ° C / 20 ~ 500 ° C / 20 ~ 600 ° C, coefficient of linear expansion: 11.1 × 10K /12.1×10K/12.9×10K/13.5×10K/13.9×10K14.1×10K.

3) Elastic modulus: Temperature 20 ° C / 300 ° C / 400 ° C / 500 ° C / 600 ° C, Elasticity Touch 210000MPa / 185000MPa / 175000MPa / 165000MPa / 15500oMPa
Send feedback
History

FEATURES
OEM CNC High Precisionpins you can expect value with higher performance.
OVERVIEW
Continuing our efforts to provide customers with products that ensure they receive the best solution and the best overall value, we proudly offer our CNC precision machining Forging Turning Pins. For smaller load applications and suitable for many earthmoving machines CNC recommends this product class. CNC pins cover use on heavy –duty equipment such as dozers, excavators, graders, loaders, skids, trucks, and other machines besides shovels.
Material: Round steel,316,42CrMo Steel
SPECIFICATIONS

CAPACITIES

VIIPLUS has extensive knowledge in the production and engineering of parts related to any heavy industry.

Beyond Grease: A Deep Dive into Oilless Bushings & Why Viiplus Leads the Way

Friction is the enemy of efficiency. In countless machines, from massive industrial equipment to intricate automotive components, the constant battle against wear and tear dictates performance, longevity, and maintenance costs. Traditionally, grease and oil have been the go-to solutions, but they come with their own set of challenges: frequent re-lubrication, potential contamination, environmental concerns, and limitations in extreme conditions.

Enter the world of oilless bushings, also known as self-lubricating bearings or sliding bearings. These innovative components offer a smarter way to manage friction, delivering reliable movement without the need for external lubrication.

At Viiplus (www.viiplus.com), we don't just supply these components; we engineer solutions. Leveraging deep expertise in metallurgy and tribology (the science of friction, wear, and lubrication), we've become a leading name in sliding bearing technology. But what exactly are oilless bushings, and why should they be on your radar? Let's dive deeper.

What Exactly Are Oilless Bushings? The Science of Self-Lubrication

Unlike traditional ball or roller bearings that rely on rolling elements and require constant lubrication films, oilless bushings operate on the principle of sliding motion. Their "magic" lies in their material composition and structure, designed to provide their own lubrication at the bearing surface. This can be achieved through several key technologies:

1. Solid Lubricants Embedded: Materials like graphite, MoS₂, or PTFE are embedded directly into the metallic matrix (often bronze) of the bushing. As the shaft rotates or slides, a minuscule amount of this solid lubricant is transferred to the mating surface, creating a low-friction film.

2. Porous Metal Structures: Sintered bronze or iron materials are created with microscopic pores. These pores are vacuum-impregnated with oil during manufacturing. In operation, slight heating causes the oil to expand and seep onto the bearing surface, providing lubrication. When it cools, the capillary action draws the oil back in, creating a closed-loop system.

3. Layered Composites: These often feature a strong backing (like steel), an intermediate sintered layer (like bronze), and a low-friction overlay (often PTFE-based). The PTFE layer provides the primary sliding surface, offering extremely low friction.

4.  

Contrasting Logic: Oilless vs. Traditionally Lubricated Bearings

The Tangible Benefits: Why Make the Switch?

Choosing oilless bushings isn't just about eliminating grease guns. It's about unlocking significant operational advantages:

• Drastically Reduced Maintenance: This is the most obvious benefit. No re-greasing means less labor, less scheduled downtime, and simplified maintenance protocols. Imagine the savings across a factory floor!

• Enhanced Reliability: Lubricant starvation is a major cause of bearing failure. Self-lubricating bearings ensure consistent lubrication, leading to predictable performance and longer service life, especially in hard-to-reach locations.

• Superior Performance in Harsh Conditions: Oilless bushings excel where traditional lubricants fail:

  • High Temperatures: Certain types can operate at temperatures far exceeding the limits of conventional greases.

  • Low Temperatures: No grease means no stiffening or freezing issues.

  • Contaminated Environments: The absence of sticky grease reduces the ingress of dirt, dust, and debris.

  • Vacuum or Underwater: Ideal for applications where liquid lubricants are impractical or impossible.

  •  
  •  
  •  
  •  
  •  
  •  
  •  

• Cost Savings (Total Cost of Ownership): While the initial purchase price might sometimes be higher, the TCO is often significantly lower due to savings on lubricants, labor, downtime, and potential component failure replacement.

• Environmental Friendliness: Eliminating oil and grease leakage prevents contamination of products, machinery, and the environment. Crucial for industries like food processing, pharmaceuticals, and textiles.

• Compact & Simplified Designs: Without the need for lubrication systems (nipples, lines, reservoirs), machine designs can be more compact and streamlined.

•  

Exploring Viiplus's Portfolio: Finding Your Solution

Viiplus offers a comprehensive range of self-lubricating bearings designed to meet diverse application needs. Understanding the different series helps in selection:

• JDB Series (Graphite Plugged Bronze): Excellent for high-load, low-speed applications, intermittent motion, and high temperatures. The graphite plugs provide continuous solid lubrication. Ideal for heavy machinery, molds, and hydraulic components.

• SF Series (PTFE-Based Composite): Typically metal-backed (SF-1: steel, SF-2: steel/bronze) with a PTFE-based lining. Offers very low friction, good wear resistance, and suitability for dry running or marginal lubrication. Common in automotive, office equipment, and hydraulics.

• JF Series (Bimetal Bushings): Combines a steel backing with a sintered bronze or lead-bronze lining. Good load capacity and fatigue strength. Often used with grease or oil but can operate marginally lubricated. Found in engines, chassis parts, and agricultural machinery.

• FB Series (Wrapped Bronze): Often made from bronze strip, sometimes with lubrication pockets or through-holes. A cost-effective solution for medium loads and speeds, typically requiring initial greasing but offering extended re-lubrication intervals.

•  

Quick Comparison Chart (General Guide):

(Note: This is a simplified guide. Always consult specific product data sheets or Viiplus experts for precise application requirements.)

Uncertain which material or type suits your project? Our Bushing Material Selection Guide is designed to help, or Contact Us for a Free Quote and Expert Advice.

Why Partner with Viiplus? Expertise Meets Quality

Choosing the right supplier is as critical as choosing the right bushing. Here’s why companies worldwide trust Viiplus:

• Deep Expertise: Our foundation in metallurgy and tribology, coupled with a talented R&D team, means we understand the science behind reliable movement. We don't just sell; we solve friction challenges.

• Uncompromising Quality: We employ advanced manufacturing techniques (including sand casting, centrifugal casting, metal casting, investment casting) and a rigorous quality management system, ensuring every bushing meets the highest standards.

• Comprehensive Range: From standard metric sizes in JDB, SF, JF, and FB series to custom solutions including cylindrical, flange, double flange bushings, wear plates, and guide rails – we have the portfolio to match your needs.

• Global Reach, Seamless Logistics: Based in China, we ship sliding bearings worldwide. Our professional team handles customs clearance efficiently, ensuring smooth, timely delivery with all necessary documentation.

• Customer-Centric Approach: We believe in ethical practices and building trust. We offer flexible production (single units to large series), competitive pricing, and  online support.

•