EXPLORE OUR-Donggang Ying Shuo Machinery Co., Ltd.-YS-Casting

Process Control

At YS-Casting, process control begins as early as in the planning and development phase of the products. We support our customers to perform all required tests and inspections in a laboratory. It goes without saying that our plants are certified according to ISO 9001 in line with a validated quality management. As we strive to accomplish our zero-error policy, you can rely on the following process control measures: Drawing Control → Pattern Control → Raw Material Control → Molding Sand Control → Pouring Process Control → Raw Casting & Machining Control →Other Requirement Control→ Packing & Delivery Control

Drawing Control

The first and important step after receiving the purchase order is drawing control. We keep 3 “C” principle.

WHAT IS DRAWING CONTROL ?

Pattern Control

Before pattern making, we simulate feeding system to check the pattern design from filling and solidification. In this way, we can greatly reduce casting defects and improve efficiency in production. The software used is Any Cast.

LEARN ABOUT PATTERN CONTROL

Raw Material Control

The raw materials are purchased from formal channels and to exact specifications. Generally, we should check the chemistry property as new raw material coming. The raw material cover pig iron, strap steel, coal and sand.

RAW MATERIAL CONTROL

Molding Sand Control

Molding sand is typically recycled and reused. After the sand was screened, the sand properties need to be inspected. The properties are moisture content, permeability, strength, and collapsibility and so on. Besides, also check surface strength and stability under high burning temperature of resin sand.

MOLDING SAND CONTROL

Pouring Process Control

Check the molten iron chemistry and real-time temperature, before pouring. Since molten iron is qualified, we do fast pouring within 8 minutes.
Regarding ductile iron, to keep stable of nodulizing, we use wire-feeding equipment. The equipment not only lower air pollution, but also increase casting quality.
We make test specimens that got from end of pouring melting material. Check melting material chemistry, mechanical property and metallograph phase. Specimens and test results are stored for three years.

POURING PROCESS CONTROL

Raw Casting & Machining Control

Various measuring instruments are employed for a first set of castings, so as to standardize subsequent castings. Check the critical dimensions with CMM. Do visual inspection to verify completion of all features, part having been deburred, vendor identification. For dimensions that need to be 100% checked, design and make fast checking tooling.

RAW CASTING & MACHINING CONTROL

Process Control

Process Control

Drawing Control

Pattern Control

Raw Material Control

Molding Sand Control

Pouring Process Control

Raw Casting & Machining Control

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