Punch head lubricating solid grain for pressure casting and its prepn

A technology of solid particles and punches, which is applied in lubricating compositions, casting molding equipment, casting molds, etc., can solve the problems of machine and worker working environment pollution, affecting the life of casting molds, and excessive dripping dosage, etc., and achieve easy mechanical automation Effects of emission, porosity reduction, and pollution reduction

Inactive Publication Date: 2007-11-07
曹启哲
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Thus affecting the quality of castings and the life of punches and molds, causing great pollution to the working environment of mach...

Method used

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  • Punch head lubricating solid grain for pressure casting and its prepn
  • Punch head lubricating solid grain for pressure casting and its prepn

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] The preparation of embodiment 1 white solid lubricating beads

[0036] Formula: 30 kg of paraffin wax, 25 kg of low molecular weight polyethylene with a molecular weight of 3000, 20 kg of hydraulic oil with a viscosity of 46 grades, 10 kg of epoxy resin, and 15 kg of talcum powder.

[0037] Preparation method: (1) Put paraffin wax, low molecular polyethylene, hydraulic oil, and epoxy resin into a melting material bucket, heat to 90°C, and after all melt into liquid, stir and mix evenly; (2) After stirring for half an hour, Then slowly add talcum powder into the material barrel within 1 hour, and continue to stir for half an hour to mix evenly; (3) Spray the mixture to granulate, cool, and sieve, and take the product with a particle size of 1mm to 1.6mm and quantitatively pack it into 5 kg / package, put in storage.

Embodiment 2

[0038] The preparation of embodiment 2 white solid lubricating beads

[0039] Formula: 70 kg of paraffin wax, 10 kg of low molecular weight polyethylene with a molecular weight of 5000, 5 kg of hydraulic oil with a viscosity of 46 grades, 3 kg of epoxy resin, and 12 kg of talcum powder.

[0040] Preparation method: (1) Put paraffin wax, low molecular polyethylene, hydraulic oil, and epoxy resin into a melting barrel, heat to 130°C, and after all melt into liquid, stir and mix evenly; (2) After stirring for half an hour, Then slowly add talcum powder into the material barrel within 40 minutes, and continue to stir for half an hour to mix evenly; (3) Spray the mixture to granulate, cool, and sieve, and take the product with a particle size of 1mm to 1.6mm and pack it quantitatively into 5 kg / package, put in storage.

Embodiment 3

[0041] The preparation of embodiment 3 white solid lubricating beads

[0042] Formula: 50 kg of paraffin wax, 15 kg of low molecular weight polyethylene with a molecular weight of 3000, 10 kg of hydraulic oil with a viscosity of 46 grades, 5 kg of epoxy resin, and 20 kg of talcum powder.

[0043] Preparation method: (1) Put paraffin wax, low molecular polyethylene, hydraulic oil, and epoxy resin into a melting barrel, heat to 130°C, and after all melt into liquid, stir and mix evenly; (2) After stirring for half an hour, Then slowly add talcum powder into the material tank within 1 hour, and continue to stir for half an hour to mix evenly; (3) Carry out granulation, cooling, and sieving of the mixture, and quantitatively pack the product with a particle size of 2mm to 3mm into 5 kg / package, put in storage.

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Abstract

The present invention discloses one kind of punch head lubricating solid grain for pressure casting and its preparation process, and belongs to the field of metal lubricant technology. The punch head lubricating solid grain is white grain prepared with paraffin 30-70 wt%, low molecular weight polyethylene 10-25 wt%, hydraulic oil 5-20 wt%, epoxy resin 3-10 wt% and talcum powder 10-20 wt%; or black grain prepared with paraffin 30-70 wt%, low molecular weight polyethylene 10-25 wt%, hydraulic oil 5-20 wt%, epoxy resin 3-10 wt% and talcum powder 3-10 wt% and graphite powder 10-20 wt%. The preparation process includes the steps of weighing materials, smelting and mixing, pelletizing, cooling, sieving and packing. The punch head lubricating solid grain has excellent lubricating effect, use convenience, capacity of raising casting quality, low consumption and stable performance, and is used in lubricating punch head for pressure casting.

Description

technical field [0001] The invention relates to a metal lubricant, in particular to a solid particle punch lubricating bead for die casting, and also relates to a preparation method of the lubricating bead. Background technique [0002] The use of casting lubricating materials can be traced back to the Bronze Age in my country. Water glass lubricating materials appeared in the early 1930s, and various lubricating patents appeared in the early 1950s. The use of lubricating materials in the foundry industry also has radical change. With the development of science and technology, people have begun to understand the problems related to casting lubricants from the perspectives of fluid mechanics, rheology, physical chemistry, heat transfer, metallurgy, and tribology, such as the flow properties of lubricating materials, various The properties and functions of main components and additives, the interaction between lubricating materials and liquid metal, etc. The types and current...

Claims

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Application Information

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IPC IPC(8): C10M169/04C10M111/04B22C3/00
Inventor 曹启哲
Owner 曹启哲
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