XCMG Left Arm Cylinder

The XCMG Left Arm Cylinder is a critical component in heavy – machinery, specifically engineered to provide powerful and reliable operation for the left – arm mechanism. This cylinder is a testament to XCMG’s high – standard engineering and manufacturing capabilities.

Product Description of XCMG Left Arm Cylinder

Structural Components
At the heart of the XCMG Left Arm Cylinder is the Cylinder block assembly (left) CYLINDER. It serves as the main housing, providing a robust structure to contain the internal components. The Piston rods BAR move back and forth within the cylinder, converting hydraulic energy into mechanical force. The Piston PISTON works in conjunction with the piston rods, creating a pressure difference to drive the movement. The End Cap COVER encloses the cylinder, protecting the internal parts from external contaminants and providing a sealed environment.
Sealing and Protection
A series of sealing components are used to ensure the proper functioning of the cylinder. The Shaft sealing ring SEALRING and multiple O – rings prevent hydraulic fluid from leaking out of the cylinder. The BACK – UP RINGs provide additional support to the seals, enhancing their performance. The Dust seal and multiple dust seals protect the cylinder from dust, dirt, and debris, which could otherwise cause wear and tear on the internal components.
Buffer and Relief Mechanisms
To reduce the impact and stress during operation, the cylinder is equipped with buffer and relief components. The Cushion sleeve D = 85 CUSHION and Cushion relief ring absorb the shock when the piston reaches the end of its stroke. The Steel ball Ф8 may be used in some buffer or valve mechanisms to ensure smooth operation.
Fasteners and Support
Fasteners play a crucial role in holding the cylinder together. The Hexagon socket head cap screw M16×75, Hexagon socket head cap screw M10×35, Concave end screw M12×12, Bolt M10×30, and Bolt M14×80 are used to secure different parts. The Nut M62×3, Nut M14, and Nut M10 are used to tighten the bolts. The Gasket WASHER and SPRING WASHER help distribute the load evenly and prevent loosening.
Lubrication and Connection
The Oil tube assembly A (left) PIPE and Hose assembly B (left) PIPE are used for fluid transfer, ensuring that hydraulic fluid can reach the cylinder. The Oil cup M10×1 provides a way to lubricate the moving parts, reducing friction and wear. The Clamp assembly and Platen YB – 01 are used to secure the pipes and hoses in place.
Bushings and Guides
The Sliding bushings BUSHING and B type bushings BUSHING reduce friction between the moving parts, ensuring smooth movement. The Molding guide ring GUIDE SLEEVE and Naphthenic ring SEAL provide guidance and support for the piston and piston rods, maintaining their alignment during operation.

In conclusion, the XCMG Left Arm Cylinder is a well – designed and reliable component. Its combination of robust structural components, effective sealing, buffer mechanisms, and proper lubrication makes it suitable for heavy – machinery applications, where performance and durability are essential.

Product Parameters of XCMG Left Arm Cylinder

ITEM	PART NO.	PART NAME	Q’TY
1	860120904	Piston rods BAR	1
2	860120905	End Cap COVER	1
3	860120906	Cylinder block assembly (left) CYLINDER	1
4	860120907	Cushion sleeve D=85 CUSHION	1
5	860120908	Piston PISTON	1
6	860120910	Gasket WASHER	1
7	860120909	Nut M62×3	1
8	860120913	Oil tube assembly A (left) PIPE	1
9	860120914	Hose assembly B (left) PIPE	1
10	860120916	Clamp assembly	1
11	860120915	Platen YB-01	1
12	860120917	Dust seal	1
13	860120918	BACK-UP RING	1
14	860120919	Shaft sealing ring SEALRING	1
15	860120920	BACK-UP RING	1
16	860120921	CUSHION	1
17	860120922	Hexagon socket head cap screw M16×75	12
18	860120923	Sliding bushings BUSHING	1
19	860120924	Retaining ring Ф85×3 BACK-UP RING	1
20	860120925	O-ring	1
21	860120926	O-ring retaining ring	1
22	860120927	Cushion relief ring	1
23	860120928	SEAL RING	1
24	860120929	Molding guide ring GUIDE SLEEVE	2
25	860120930	Naphthenic ring SEAL	2
26	860120931	Concave end screw M12×12	1
27	860120932	Steel ball Ф8	1
28	860120933	Hexagon socket head cap screw M10×35	8
29	860120934	O-ring	2
30	860120940	Bolt M10×30	2
31	860120939	SPRING WASHER	1
32	860120937	Bolt M14×80	1
33	860120942	Spring washer Ф10	1
34	860120936	Oil cup M10×1	2
35	860120938	Nut M14	1
36	860120935	Dust seal	2
37	860120943	Dust seal	2
38	860120941	Nut M10	2
39	860120911	B type bushings	2
40	860120912	BUSHING	1