Manufacturing method of cold-drawing outer mold
A manufacturing method and technology of mold cores, which are applied in the direction of metal drawing forming tools, wire drawing dies, manufacturing tools, etc., can solve the problems of mold core cracking and scrapping, affecting drawing efficiency, increasing the production cost of external molds, etc., and achieve dimensional stability The effect of improving performance and service life, preventing early abnormal failure, and reliable preloading effect
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Examples
Embodiment 1
[0013] Embodiment 1: a kind of manufacture method of cold-drawn outer mold, this cold-drawn outer mold is made of die sleeve and mold core, the manufacture method of this cold-drawn outer mold comprises the following steps:
[0014] (1) 5CrNiMo forged steel is used as raw material to rough out the mold sleeve, and tungsten steel is used as raw material to rough out the mold core;
[0015] (2) Quenching the die sets until the hardness reaches HRC 42-48, and then finishing;
[0016] (3) Use the cemented carbide grinding head to trim the outer surface size of the mold core, and adjust the assembly interference between the mold core and the outer mold to meet: C=0.45%*D, where C represents the assembly interference between the mold core and the mold sleeve , D represents the outer diameter of the core;
[0017] (4) At 520 ℃, the mold core and the mold sleeve are hot-fitted to obtain the outer mold, and then the outer mold is finished to the required diameter to complete the produ...
Embodiment 2
[0019] Embodiment 2: a kind of manufacture method of cold-drawn outer mold, this cold-drawn outer mold is made of die sleeve and mold core, the manufacture method of this cold-drawn outer mold comprises the following steps:
[0020] (1) 60Si2Mn forged steel is used as raw material to rough out the mold sleeve, and tungsten steel is used as raw material to rough out the mold core;
[0021] (2) Quenching the die sets until the hardness reaches HRC 42-48, and then finishing;
[0022] (3) Use the cemented carbide grinding head to trim the outer surface size of the mold core, and adjust the assembly interference between the mold core and the outer mold to meet: C=0.45%*D, where C represents the assembly interference between the mold core and the mold sleeve , D represents the outer diameter of the core;
[0023] (4) At 515 ℃, the mold core and the mold sleeve are hot-fitted to obtain the outer mold, and then the outer mold is finished to the required diameter to complete the produ...
Embodiment 3
[0025] Embodiment 3: a kind of manufacture method of cold-drawn outer mold, this cold-drawn outer mold is made of die sleeve and mold core, the manufacture method of this cold-drawn outer mold comprises the following steps:
[0026] (1) Roughly process the mold sleeve with 42CrMo round steel as raw material, and rough process the mold core with tungsten steel as raw material;
[0027] (2) Quenching the die sets until the hardness reaches HRC 42-48, and then finishing;
[0028] (3) Use the cemented carbide grinding head to trim the outer surface size of the mold core, and adjust the assembly interference between the mold core and the outer mold to meet: C=0.45%*D, where C represents the assembly interference between the mold core and the mold sleeve , D represents the outer diameter of the core;
[0029] (4) At 525 °C, the mold core and the mold sleeve are hot-fitted to obtain the outer mold, and then the outer mold is finished to the required diameter to complete the producti...
PUM
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com