Wax mold repairment for Lost wax casting
    Repair the mold:Lost wax casting to remove residual flash or parting line in the wax models, use the blade cutting edge along the wax models carefully and gently cut off flash or parting line, two sides for formation of burrs peel to horizon...

Lost wax casting wax mold repair technolo
    A, matters needing attention:1, all kinds of precision casting wax mold surface defect is repaired, flash, parting line is clean.2, lost wax casting according to the technological requirements, the examination of the size, shape, should use...

Precision casting process of pouring brus
    Brush coating and dressing precision casting process: the purpose of the paint brush in sand mold cavity surface and dressing is to prevent surface adhering sand casting.Coating before use, must mix, because the paint is a kind of suspension...

Precision casting processing and casting
    Precision casting processing and casting processPrecision casting foundry process is very strict operation, will also feel will be different in the process of casting, precision casting and actually common casting casting process is a little...

Why lost wax casting casting brittle frac
    Lost wax casting believe everyone will encounter in the process of machining casting broken phenomenon, so that will make our casting productivity decline, so we in order to prevent this happens we need to know is what are the causes of infl...

heat treatment operation of Stainless ste
    Eight, the quality inspection:1. The artifacts as stipulated in the corresponding technical documents of projects and test requirements2. When the mechanical properties of workpiece is unqualified, repeatable heat treatment, but the number o...

The performance characteristics of centri
    1. Relying on the beginning from the outside of the contact with the mould of the directional solidification, made no casting shrinkage and the quality of the clip into the foreign body extremely dense.2. As a result of the action of centrif...

The characteristics of centrifugal castin
    Centrifugal casting tube Using the present invention centrifugal casting steel tube, without adding any equipment and materials, can control the equiaxial crystal products, to get all of fine equiaxed crystal products, greatly improve the me...

heat treatment operation for Stainless s
    Six, clean up:1. According to the request of the workpiece and the surface condition using alkaline cleaning, water soluble detergent, chloride solvent sand blasting, shot peening method to clean up2. Dont usually adopt the method of acid pi...

heat treatment operation for Stainless s
    Four, heating:1. There are grooves of the blind hole machining, casting and welding parts and stainless steel workpiece, should not be commonly in the salt bath furnace heating2. Workpiece heating should have enough heat preservation time, a...

heat treatment operation for Stainless s
    Cleaning:1. The workpiece and fixture before heat treatment shall remove oil, salt, paint and other foreign substance2. The fixture was first used in the vacuum furnace, be in not less than the workpiece in advance required in addition to ai...

heat treatment operation for Stainless st
    Six, clean up:1. According to the request of the workpiece and the surface condition using alkaline cleaning, water soluble detergent, chloride solvent sand blasting, shot peening method to clean up2. Dont usually adopt the method of acid pi...