Air Hardening Tool Steels

Air Hardening Tool Steels Air hardening tool steels find their chief applications, as far as plastics tooling is concerned, as materials for hobs, impression parts which require extremely low distortion… Read more

Choice of Material

Choice of Material there exist several features influenced through the polymer selection. Polymer selection consists of the foundation polyester resin (the option of that is frequently constrained through the aspect’… Read more

Elements of Plastic Mold Tooling Costs

Elements of Plastic Mold Tooling Costs Besides the time in hours required to build tools for a given plastics part, the items of materials, maintenance and amortization of the tools… Read more

why cleanliness important at a moulding shop

It does not always follow that the cleanest factory is the most efficient, nor that the dirtiest one is the least. It is, however, quite clear that good housekeeping aids… Read more

Cooling Time Calculation of Injection Molding

During the injection molding,the cooling time of injection part would decide the whole cycle time of production for somewhat.When the melt Plastic get cooled down inside the plastic molds,if the… Read more

mold components

Standard mold parts are used extensively in almost all modern injection mold tools. Only a few special-purpose tools are constructed from Scratch, without taking advantage of the standard components available.… Read more

How to Choose the Wall Thickness

Local thick wall thickness, wrong position of gates and cooling layout would lead to sink marks, trapped air, deformation and burns on the injection parts, the following will analyze some… Read more

procedures for developing a new plastic product

procedures for developing a new Plastic product Below we list a fairly standard sequence of steps that you will probably have to go through in the course of designing and… Read more

Clean the hot-runner system with mixed color material

1.Open gate 1.1 the hot-runner system has processed Plastic material with a certain color. 1.2 cleanup barrel by plastic material with demand color . 1.3 heat each heating zone with… Read more

Blow molding&Rotomolding

Blow molding Blow molding economically produces hollow items including bottles,bins,and light globes. If Blueprint permit, the operation may also generate hollow styles ,including auto air ducts and fuel tanks. Wall… Read more

8 kinds of stand components of the plastic mold

.Cavity The injection mould is an installation of parts which contain in it an “impression” directly into which Plastic material is shot and cooled off. This is basically the cavity… Read more

precision injection mould,polymer injection moulding

PIM injection mould maker is dedicated to precision injection mould & customized Plastic molded products dependant on client’s specifications, range of products from electronics, household, auto components and furnitures etc, engineering… Read more

Externally and Internally heated Hot drops

Externally heated Hot drops With this type of hot drop, the polymer is totally enclosed by a heated up tube. Most of surfaces with the melt channel ID are kept… Read more

manufacturer of plastic,making molding

PIM Plastic mold company is a qualified manufacturer of plastic. With over 14 years’ knowledge of producing and exporting different kinds of china plastic injection molding, we have extremely distinctive… Read more

custom plastic mould,rapid injection moulding

PIM custom Plastic mould company, situated in Shanghai China, is among one of best plastic injection mould companies in China. We have been committed to plastic injection mould design, mould building… Read more

Angular pin

                          (5 – 3)                          (5 – 4)        L—working lenght of angular pin;       s—slider move distance;       α—cam pin angel;       H—mould open stroke to S form_structure_1=[[{"name":"fieldname6","index":0,"title":"S:slider move distance","predefined":"","ftype":"fnumber","userhelp":"","csslayout":"","required":false,"size":"small","min":"","max":"","dformat":"number","formats":["digits","number"],"form_identifier":"","fBuild":{},"shortlabel":"","userhelpTooltip":false,"predefinedClick":false},{"name":"fieldname7","index":1,"title":"u03b1:Angel… Read more

Principle of Machinery Animation

gun loading   radial engine Ellipsograph sewing machine Malta cross-shaped cassette mechanism ,control the motion of second hand of clock system of ammo re-filling for naval gun clutch gear Car… Read more

Pretoughening and Carburising or Case Hardening

Pretoughening The process of through-hardening steels and then finish machining them is time consuming and expensive; to avoid this, prehardened or pretoughened steels have been developed,the effect the steel is… Read more

Knit Lines,Weld lines

knit lines(Weld lines) Weld lines occur where two flow fronts meet and always provide a source of weakness as the two fronts do not knit together. Weld lines often leave… Read more

Is the Mould Maintenance Important?

Where some secondary operations have to be performed on the mouldings, such as drilling,tapping, dressing-off, flash-removal, polishing, etc., these may be very adversely affected, increased in duration and complexity, or… Read more