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Customized Mold Punch Tool For Cold Heading

Our Customized Mold Punch Tool for Cold Heading is engineered to meet the demands of high-precision manufacturing. Comprising a tungsten carbide insert and a high-speed steel die case, this tool offers unparalleled performance in terms of strength, wear resistance, and hardness. The tungsten carbide material is renowned for its high temperature resistance, which significantly extends the service life of the mold. This feature is crucial for producing nuts of various materials, ensuring both quality and efficiency in the manufacturing process.

The customization capability of our Mold Punch Tool allows it to be tailored to specific customer requirements, making it an ideal solution for diverse production needs. Our commitment to quality is reflected in the high precision, cleanliness, and quick delivery of our products. We are eager to collaborate with you to bring these advantages to your manufacturing processes.

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    Specification    


Product Name

Metal dies/punch tools

Material

Tungsten carbide / High-speed steel

Accuracy

High-precision(0.005)

color

Metal nature

roughness

RA0.1

Advantage

High hardness , high wear resistance,high heat-resistance,high cleanness

Lead time

Shortly lead time(around 15 days,10 days are available for a small number of urgent order)

Service

Customization,Design and optimization capability for improvement of mould life

Application

High strength automotive fasteners, auto parts, engineering forging parts, rail transit rivets,

aerospace rivets, tensile mold products, and all kinds of standard cold heading molds.

Certification

ISO9001:2015

Processing methods

Cold heading, warm heading, hot forging, cold extrusion, stretching.

Equipment

CNC Lathes, CNC inner hole grinding machines,

CNC cylindrical grinding machines, CNC Wire cutting,etc.


 Precision Customized Mold Punch Tool Manufacturer



    Why Choose Us    


1. Professional mould simulation development and design capability.

2. High-precision and high-stability mould manufacturing capability.

3. Optimization capability for continuous improvement of mould life.

4. Shortly lead time.


Customized Mold Punch Tool For Cold Heading
Mold Punch Tool For Cold Heading
Customized Mold Punch Tool



Material:Tungsten carbide and High-speed steel

Tungsten steel (Cemented Carbide) has a series of excellent properties such as high hardness, wear resistance, better strength and toughness, heat resistance and corrosion resistance. Its high hardness and wear resistance remain basically unchanged even at a temperature of 500°C, and it still has high hardness at 1000°C. The main components of tungsten steel are tungsten carbide and cobalt, and other metals account for 1%, which makes it extremely high hardness and wear resistance. 


Difference Between Tungsten Carbide and High-Speed Steel

Chemical Composition

  • High-Speed Steel (HSS): HSS is an alloy steel enriched with various carbide-forming elements. Key components include tungsten (W), molybdenum (Mo), chromium (Cr), vanadium (V), and cobalt (Co), which enhance hardness, heat resistance, corrosion resistance, wear resistance, and improve hardness and wear resistance at high temperatures, respectively.

  • Tungsten Carbide: Tungsten carbide is a composite material primarily made of tungsten and carbon. Its main components are tungsten (W) and carbon (C), which contribute to exceptional hardness and a high melting point, leading to extreme hardness and wear resistance.

Hardness and Wear Resistance

  • High-Speed Steel (HSS): HSS typically has a hardness of 62-67 HRC (Rockwell Hardness C). It maintains this hardness even at high temperatures, thanks to its red hardness property. HSS also offers good wear resistance, making it suitable for high-speed cutting tools that face significant abrasion.

  • Tungsten Carbide: Tungsten carbide exhibits even higher hardness, around 85-92 HRA (Rockwell Hardness A), making it one of the hardest materials available. It scores about 9 on the Mohs hardness scale. Its superior wear resistance allows it to withstand extreme abrasion and retain its properties even at very high temperatures.

Precision Customized Mold Punch Tool Manufacturer

Heat Resistance

  • High-Speed Steel (HSS): HSS retains its hardness up to around 500°C (932°F), which is significantly higher than carbon tool steel.

  • Tungsten Carbide: Tungsten carbide keeps its hardness and wear resistance up to approximately 1000°C (1832°F), making it ideal for applications involving extreme heat.

Corrosion Resistance

  • High-Speed Steel (HSS): The chromium content in HSS provides decent corrosion resistance, but it is generally less resistant than stainless steel.

  • Tungsten Carbide: Tungsten carbide has excellent corrosion resistance, especially in aggressive environments, due to its chemical stability.

Mechanical Properties

  • Tensile Strength:

    • HSS: Offers high tensile strength, typically around 800-900 MPa, allowing it to withstand substantial mechanical loads.

    • Tungsten Carbide: Provides even higher tensile strength, often exceeding 1500 MPa, ensuring exceptional durability under extreme stresses.

  • Toughness:

    • HSS: Possesses good toughness, enabling it to resist impact and shock loads without fracturing.

    • Tungsten Carbide: Is generally less tough, making it more brittle and prone to chipping and cracking under impact.

  • Stiffness:

    • HSS: Has a stiffness around 210 GPa, indicating a balance between rigidity and flexibility.

    • Tungsten Carbide: Exhibits higher stiffness, approximately 530-700 GPa, making it significantly more rigid but less flexible.

Summary of Material Properties

  • HSS:

    • High hardness (62-67 HRC)

    • Good wear resistance

    • Heat resistant up to 500°C

    • Decent corrosion resistance

    • High tensile strength (800-900 MPa)

    • Good toughness

    • Moderate stiffness (210 GPa)

  • Tungsten Carbide:

    • Very high hardness (85-92 HRA)

    • Superior wear resistance

    • Heat resistant up to 1000°C

    • Excellent corrosion resistance

    • Very high tensile strength (1500+ MPa)

    • Lower toughness, more brittle

    • High stiffness (530-700 GPa).


Selecting the right material based on these properties is crucial for ensuring optimal performance and durability in specific industrial applications.


Accuracy 

The most crucial factor ensuring the durability and service life of a mold is precision. And every one of our

The split mold achieves a very high added value and long service life through high-precision machining at 1/1000mm.

At the same time, it saves time for replacing damaged molds, contributing to the reduction of production costs. 

 

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Design

Simufact,Process chain simulation software assists in fastener design and manufacturing.


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Suzhou Jungu precision mould Co.,Ltd. is a professional fastener mold manufacturer with 10 years of experience in molding industry.

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