Manufacturing Process of Crawler Crane Undercarriage Parts Track Shoe
Make Mold
Make a mold with the same proportion as the drawing, and then facilitate the later injection of sand and molten steel.
Generally we use wooden molds.
Sand Mold
Sand mold is a kind of casting mold that uses sand as the main molding material.
We select the best quality raw materials so that the sand molds and cores have a certain strength and will not be deformed or damaged during handling, molding and pouring of liquid metal.
The advantages of high-quality sand molds.
Casting
Molten steel smelted from steel is poured into the sand mold. The use of casting will guarantee its working performance and mechanical performance requirements, and the productivity can be guaranteed.
Polish the formed track shoe to make the crawler shoe smoother. In addition to being ornamental, the track shoe can also perfectly match the crawler crane.
Purpose:
1) Reduce internal stress and reduce brittleness. There is a lot of stress and brittleness in quenched parts. If it is not tempered in time, the track shoe will often deform or even crack.
2) Adjust the mechanical properties of the crane shoe. After quenching, the workpiece has high hardness and high brittleness. In order to meet the different performance requirements of various workpieces, it can be adjusted by tempering, hardness, strength, plasticity and toughness.
3) Stabilize the size of the track pad. The metallographic structure can be stabilized by tempering to ensure that no deformation will occur during future use.
Track pad will conduct tensile test and impact test to check whether the track shoe's tensile strength, yield strength, elongation, and impact toughness meet the qualified standards.
Through the test, at the same time analyze whether the hardness of the track shoe is qualified.
The purpose is to improve the hardness, wear resistance and fatigue strength of the track shoe surface, increase the toughness inside the track shoe, so that the track link can guarantee long-term work.
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Ultrasonic testing
Ultrasonic Testing uses ultrasonic waves to non-destructively inspect internal defects and scars of materials or mechanical parts. It can be inspected without damaging the interior and is one of the most common methods of inspecting the interior of a product.
Painting
Generally, the Undercarriage Parts of crawler cranes are black.
We have a professional painting line to ensure that each track shoe can be done quickly and evenly.
Before packaging, the final inspection will be done to ensure that every track shoe received by the customer is of high quality and in good condition. Our complete production and inspection team is the confidence to serve customers, so we have many repeat customers who trust us and continue to choose us.
