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Investment Casting Investment casting , also known as lost wax casting, is a method of precision casting by melting a wax mold to form a shell. Its technological process mainly includes the following several steps:
1.Wax molding : The wax is pressed into the mold cavity, cooled and removed to form a wax mold .
2. Group tree : multiple wax molds are welded onto the pouring system .
3. Shell making : The surface of the wax mold is coated with refractory material, dried and hardened to form a dense refractory coating, and the process is repeated many times to form a shell with certain strength and refractoriness.
4. Dewaxing and baking : The wax mold inside the mold shell is removed by high-temperature steam to obtain a cavity mold shell that can be poured; The residual wax and water in the mold shell are then burned off at high temperature to strengthen the shell .
5. Smelting pouring : According to the material of the product, the metal liquid is melted, and the metal liquid is poured into the mold shell in the red shell state to form a blank .
6. Clear sand and cut to get the finished product : cool after pouring, remove the mold shell using manual or vibration husking machine, cut the casting and pouring system to get the finished casting .
All of our precision tailor-made casting parts are made according to customer's design, our work flow chart is as belows:
Double protection doubles lifespan
Zinc coating: Isolates water vapor, salt spray and chemical corrosion, suitable for outdoor, humid or industrial polluted environments, with a lifespan increased by 3 to 5 times;
Base material performance : Low-carbon steel ASTM 1020 has high strength and is easy to weld. After galvanization, it still retains excellent mechanical properties (tensile strength ≥420MPa).
Low cost, high durability, and maintenance expenses drop sharply
No painting required : The zinc plating surface can be used directly, eliminating the cost and time of spraying;
Anti-wear : The zinc coating has a high hardness (70-120HV), reducing the risk of scratches during transportation and assembly;
Precision craftsmanship + zinc plating, worry-free in harsh scenarios
One-piece molding : Cast complex structures (such as inner cavities, irregular interfaces), galvanizing full coverage without dead corners;
Adaptation to strict standards : No rust after 96 hours of salt spray test (ASTM B117), meeting the requirements of ISO 1461 industrial galvanizing.
Achieve both lightweight and sustainability
Weight reduction design: Optimize the wall thickness to reduce the weight of parts (10%-15%) and decrease the energy consumption of equipment;
100% recyclable : Low-carbon steel + zinc coating, environmentally friendly and non-toxic, in line with the trend of green manufacturing.
Full-process quality control, with risks approaching zero
Coating Inspection: Film thickness ≥8μm (micrometer-level control), adhesion cross-sectional test shows no peeling;
Performance Double Insurance : Base material ASTM certification + coating salt spray report, double quality inspection delivery;
Quick Response : Sample delivery within 30 days, supporting customized galvanizing processes (such as blue and white zinc, yellow zinc).
At 30% of the cost of stainless steel, achieve long-lasting anti-corrosion and precise performance, making the lifespan and efficiency of parts in heavy-duty and humid scenarios a win-win situation!
1Q: Why was ASTM 1020 low-carbon steel chosen instead of other materials?
1A: ASTM 1020 strikes a balance between strength (tensile strength ≥420MPa) and ductility (elongation ≥25%). It has excellent weldability and a lower cost than alloy steel, making it a cost-effective choice for industrial structural components!
2Q: How complex structures can precision casting processes achieve?
2A: It supports thin-walled (≥3mm), inner cavity, irregular curved surface, and multi-hole position one-piece molding without the need for welding or machining. Typical cases include hydraulic valve bodies, automated robotic arm connectors, etc.
3Q: How does non-standard design ensure dimensional accuracy?
3A: The entire process adopts 3D modeling and investment casting technology, combined with three-coordinate inspection (CMM), with tolerances strictly controlled within ±0.1mm, meeting the requirements of high-precision assembly.
4Q: How long is the delivery cycle for small-batch orders?
4A: Samples will be delivered within 30 days, andbatch production orders within 25 to 30 days (depending on complexity). We offer free drawing optimization services to accelerate the process from design to mass production!
5Q: Can we buy these parts from current market?
5A: No, you cannot. All of our products are customized and the design is unique.
Investment Casting Investment casting , also known as lost wax casting, is a method of precision casting by melting a wax mold to form a shell. Its technological process mainly includes the following several steps:
1.Wax molding : The wax is pressed into the mold cavity, cooled and removed to form a wax mold .
2. Group tree : multiple wax molds are welded onto the pouring system .
3. Shell making : The surface of the wax mold is coated with refractory material, dried and hardened to form a dense refractory coating, and the process is repeated many times to form a shell with certain strength and refractoriness.
4. Dewaxing and baking : The wax mold inside the mold shell is removed by high-temperature steam to obtain a cavity mold shell that can be poured; The residual wax and water in the mold shell are then burned off at high temperature to strengthen the shell .
5. Smelting pouring : According to the material of the product, the metal liquid is melted, and the metal liquid is poured into the mold shell in the red shell state to form a blank .
6. Clear sand and cut to get the finished product : cool after pouring, remove the mold shell using manual or vibration husking machine, cut the casting and pouring system to get the finished casting .
All of our precision tailor-made casting parts are made according to customer's design, our work flow chart is as belows:
Double protection doubles lifespan
Zinc coating: Isolates water vapor, salt spray and chemical corrosion, suitable for outdoor, humid or industrial polluted environments, with a lifespan increased by 3 to 5 times;
Base material performance : Low-carbon steel ASTM 1020 has high strength and is easy to weld. After galvanization, it still retains excellent mechanical properties (tensile strength ≥420MPa).
Low cost, high durability, and maintenance expenses drop sharply
No painting required : The zinc plating surface can be used directly, eliminating the cost and time of spraying;
Anti-wear : The zinc coating has a high hardness (70-120HV), reducing the risk of scratches during transportation and assembly;
Precision craftsmanship + zinc plating, worry-free in harsh scenarios
One-piece molding : Cast complex structures (such as inner cavities, irregular interfaces), galvanizing full coverage without dead corners;
Adaptation to strict standards : No rust after 96 hours of salt spray test (ASTM B117), meeting the requirements of ISO 1461 industrial galvanizing.
Achieve both lightweight and sustainability
Weight reduction design: Optimize the wall thickness to reduce the weight of parts (10%-15%) and decrease the energy consumption of equipment;
100% recyclable : Low-carbon steel + zinc coating, environmentally friendly and non-toxic, in line with the trend of green manufacturing.
Full-process quality control, with risks approaching zero
Coating Inspection: Film thickness ≥8μm (micrometer-level control), adhesion cross-sectional test shows no peeling;
Performance Double Insurance : Base material ASTM certification + coating salt spray report, double quality inspection delivery;
Quick Response : Sample delivery within 30 days, supporting customized galvanizing processes (such as blue and white zinc, yellow zinc).
At 30% of the cost of stainless steel, achieve long-lasting anti-corrosion and precise performance, making the lifespan and efficiency of parts in heavy-duty and humid scenarios a win-win situation!
1Q: Why was ASTM 1020 low-carbon steel chosen instead of other materials?
1A: ASTM 1020 strikes a balance between strength (tensile strength ≥420MPa) and ductility (elongation ≥25%). It has excellent weldability and a lower cost than alloy steel, making it a cost-effective choice for industrial structural components!
2Q: How complex structures can precision casting processes achieve?
2A: It supports thin-walled (≥3mm), inner cavity, irregular curved surface, and multi-hole position one-piece molding without the need for welding or machining. Typical cases include hydraulic valve bodies, automated robotic arm connectors, etc.
3Q: How does non-standard design ensure dimensional accuracy?
3A: The entire process adopts 3D modeling and investment casting technology, combined with three-coordinate inspection (CMM), with tolerances strictly controlled within ±0.1mm, meeting the requirements of high-precision assembly.
4Q: How long is the delivery cycle for small-batch orders?
4A: Samples will be delivered within 30 days, andbatch production orders within 25 to 30 days (depending on complexity). We offer free drawing optimization services to accelerate the process from design to mass production!
5Q: Can we buy these parts from current market?
5A: No, you cannot. All of our products are customized and the design is unique.
