Precision piston rod machining can be used for many types of grooves, threads and chamfers; machining of eccentric parts, such as gearbox housings and mass assembly.
Single-piece and segmented piston designs of materials and specifications. We also provide high-quality piston rods for all major brands and models of compressors .
In order to ensure that the precision piston rod machining meets or exceeds the load requirements, each new design is carefully evaluated using finite element analysis software and years of practical experience.
The piston is machined from cast iron, aluminum or customized materials. The segmented design allows incremental repairs and only the worn parts of the piston are replaced.
Starting with high-quality rolling mill certified materials, Cook designs and manufactures struts that can operate reliably and bring lasting value. According to application requirements, the rods are subjected to induction hardening or tungsten carbide coating treatment to prevent wear and extend the operating time of the rods and rod fillers. Precision piston rod machining can also use other coatings and surface treatments.
Each component is manufactured with accurate dimensions and has high dimensional tolerances. These components provide various sizes and customization options according to customer specifications.
We have many years of experience in processing high-quality CNC turned parts for the automotive, aerospace, defense, hydraulics, lighting, medical, security, switchgear, transportation, telecommunications and leisure markets. We can also provide small batches of turned parts in batches.
Although the fracture and splitting of rods and caps is a major industrial development, and compared with traditional machining, the fracture and splitting of rods and caps is a major industrial development, and the rods and caps are usually manufactured as a single unit and then separated . The traditional method of manufacturing connecting rods involves machining the crankshaft and pin holes on the connecting rod, and then separating the connecting rod and the cover for easy installation on the crankshaft. This is a difficult operation and requires very high precision when processing the mating surfaces of the rod and the cover.
Instead, the cover is separated from the rod at an accurate predetermined position by breaking. The separated end face is not machined, and its rough surface finish ensures a perfect fit in the subsequent connecting rod assembly process. The degree of matching accuracy far exceeds that achieved by using conventional technology.
As for the material itself, because the connecting rods work under high loads, they require both high-strength tensile and compressive forces and high fatigue strength. High-efficiency engines in modern cars require the lowest possible component weight, including connecting rods. Therefore, the trend of slender rod design must be a material with good rigidity, high strength and weight consistency to promote engine balance.
Forged steel provides a combination of strength, stiffness and cost. Cast iron rods are heavier, while sintered powder products are more expensive. In the future, the rod and cover will be fractured and split to reduce the cost of most mass-produced connecting rods.
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