Precision grinding removes surface imperfections to achieve exact diameter and roundness, preparing the rod for the subsequent polishing and chrome plating stages.
Polishing
Polishing
The ground surface is finely polished to a mirror-like finish, reducing friction and extending seal life in hydraulic operation.
f7 Inspection
f7 Inspection
The piston rod diameter is checked against the f7 tolerance grade, guaranteeing correct clearance and smooth movement within the cylinder assembly.
Chrome Thickness
Chrome Thickness
Chrome plating thickness is measured to ensure it meets design specifications, providing optimal wear resistance and corrosion protection.
Chrome Thickness
Chrome Thickness
Chrome plating thickness is measured to ensure it meets design specifications, providing optimal wear resistance and corrosion protection.
Chrome Thickness
Chrome Thickness
Chrome plating thickness is measured to ensure it meets design specifications, providing optimal wear resistance and corrosion protection.
Q&T Hardness
Q&T Hardness
Verifies uniform core hardness after quenching and tempering, ensuring the rod endures high cyclic loads without permanent deformation.
Induction Hardness
Induction Hardness
Confirms the induction-hardened surface meets wear resistance requirements, extending rod life under high-friction and high-pressure conditions.
Cold Drawing
Cold Drawing
The tube is cold-drawn through a die to achieve precise dimensions, improved surface finish, and increased mechanical strength for hydraulic service.
End Grinding
End Grinding
Tube ends are ground flat and square, ensuring proper alignment and a tight seal when assembled with end caps and fittings.
Burnishing
Burnishing
Roller burnishing smooths the inner surface, increasing hardness and producing a low-friction finish that enhances piston seal performance.
Burnishing
Burnishing
Roller burnishing smooths the inner surface, increasing hardness and producing a low-friction finish that enhances piston seal performance.
Spot Straightening
Spot Straightening
Localized straightening removes minor bends, bringing the tube into strict straightness tolerance for consistent piston travel.
Spot Straightening
Spot Straightening
Localized straightening removes minor bends, bringing the tube into strict straightness tolerance for consistent piston travel.
Roll Straightening
Roll Straightening
A roll straightening process uniformly realigns the tube, eliminating curvature and ensuring the high-precision straightness required for honed bores.
Honing
Honing
A precision abrasive process that removes minimal material to create a perfectly straight bore with controlled surface roughness, optimizing oil film retention and piston seal performance.
Honing
Honing
A precision abrasive process that removes minimal material to create a perfectly straight bore with controlled surface roughness, optimizing oil film retention and piston seal performance.
Annealing
Annealing
The tube undergoes controlled annealing to relieve internal stresses and refine grain structure, improving ductility and long-term dimensional stability.
Oiling
Oiling
A light rust-preventive oil coating is applied to protect the honed surface from corrosion during storage and before final assembly.
Oil Spray
Oil Spray
A fine oil mist is evenly sprayed onto the tube for uniform, temporary corrosion protection while preserving the bore's surface quality.
H8 Inspection
H8 Inspection
Bore diameter is inspected to conform to H8 tolerance, ensuring proper piston fit and consistent hydraulic sealing.
Wall Thickness
Wall Thickness
Wall thickness is measured to guarantee uniformity and structural strength, allowing the tube to safely withstand rated working pressures.
Surface Finish
Surface Finish
Surface roughness is checked against specified Ra values to ensure optimal oil film adhesion and reliable seal operation.
Plugging
Plugging
Protective plastic plugs are inserted into both ends to keep the honed bore clean and prevent mechanical damage during handling and transport.
Sawing
Sawing
Raw stock is cut to precise lengths, providing clean, square ends for accurate machining and assembly of cylinder components.
Machining
Machining
Precision CNC turning shapes cylinder heads, end caps, and flanges to exact tolerances, ensuring perfect mating and smooth mechanical function.
Machining
Machining
Precision CNC turning shapes cylinder heads, end caps, and flanges to exact tolerances, ensuring perfect mating and smooth mechanical function.
Machining
Machining
Precision CNC turning shapes cylinder heads, end caps, and flanges to exact tolerances, ensuring perfect mating and smooth mechanical function.
Machining
Machining
Precision CNC turning shapes cylinder heads, end caps, and flanges to exact tolerances, ensuring perfect mating and smooth mechanical function.
Machining
Machining
Precision CNC turning shapes cylinder heads, end caps, and flanges to exact tolerances, ensuring perfect mating and smooth mechanical function.
Machining
Machining
Precision CNC turning shapes cylinder heads, end caps, and flanges to exact tolerances, ensuring perfect mating and smooth mechanical function.
Machining
Machining
Precision CNC turning shapes cylinder heads, end caps, and flanges to exact tolerances, ensuring perfect mating and smooth mechanical function.
Machining
Machining
Precision CNC turning shapes cylinder heads, end caps, and flanges to exact tolerances, ensuring perfect mating and smooth mechanical function.
Machining
Machining
Precision CNC turning shapes cylinder heads, end caps, and flanges to exact tolerances, ensuring perfect mating and smooth mechanical function.
Machining
Machining
Precision CNC turning shapes cylinder heads, end caps, and flanges to exact tolerances, ensuring perfect mating and smooth mechanical function.
Welding
Welding
High-strength welding techniques join cylinder components, creating leak-proof seams that are rigorously inspected to endure extreme operational stresses.
Welding
Welding
High-strength welding techniques join cylinder components, creating leak-proof seams that are rigorously inspected to endure extreme operational stresses.
Thread Drilling
Thread Drilling
Threaded holes are precisely drilled and tapped to provide secure, leak-free mounting points for fittings and hydraulic accessories.
Measuring
Measuring
Critical dimensions are verified with calibrated instruments to ensure full conformance to design drawings before final cylinder assembly.
Pressure Holding
Pressure Holding
The assembled cylinder is pressurized and held to test seal integrity, confirming leak-free performance under sustained load.
Pallet Packing
Pallet Packing
Finished cylinders are strapped and wrapped on wooden pallets for safe, convenient handling and transportation.
Wood Case
Wood Case
Cylinders are packed in custom wooden crates to provide maximum protection against impacts and weather conditions during long-distance shipping.
WUXI PAZON TECHNOLOGY CO., LTD
PAZON is a professional provider of hydraulic systems and precision metal components. We offer reliable, high-performance solutions supported by integrated R&D, production, and global supply.
