DALLAST Supplying good quality honed hydraulic tube. Any inquiries please feel free to send email.
Honed Hydraulic Tube Features:
Material: ST52,CK45,4140,16Mn,42CrMo,E355,Stainless Steel 304/316,Duplex 2205,etc.
ID Size: 20mm – 1500mm
Length: max 16m
Type: Seamless, Hot Rolled, Cold Rolled, Cold Drawn
Straightness: ≤ 0.5/1000
Roughness: 0.2-0.4 u
Tolerance EXT: DIN2391, EN10305, GB/T 1619
Tolerance INT: H7,H8,H9
Protection: Anti-rust oil on inside and outside surface, plastic caps in both ends.
Packing: Bundle with steel strip and PE sheet or wooden case
The honing process makes ：
Smooth surface finishes inside bores
Hold precise tolerances on bore diameters
ID: H7 H8 H9 ID roughness:0.2-0.8μm
we supply honed tube in various grade and specification
When honing cylinder barrel, because the honing head rotates and reciprocates or the honing head rotates the workpiece to reciprocate, the machining surface is shaped like a fork to cut the helical trajectory, and the number of rotations of the honing head is not an integer in each reciprocating stroke time, so between two strokes , The honing head is staggered by a certain angle in the circumferential direction relative to the workpiece, so that the movement of each abrasive particle on the honing head on the hole wall will not repeat. In addition, every time the honing head rotates, there is a length of overlap between the whetstone and the cutting track of the previous revolution in the axial direction, which makes the connection between the front and rear grinding tracks smoother and even. In this way, during the whole process of honing the cylinder, the chance of each point of the hole wall and the oilstone surface interfering with each other is almost equal. Therefore, as the honing of the cylinder barrel progresses, the hole surface and the oilstone surface continue to produce interference points, and these interference points are constantly being polished away and new and more interference points are generated, and they are continuously polished away, so that the contact area of the hole and the oilstone surface continues to increase. , The degree of mutual interference and the cutting effect are constantly weakened, and the roundness and cylindricity of the hole and the oil stone are also continuously improved, and the creation process of the hole surface is completed. In order to obtain better cylindricity, when possible, parts are often turned around during honing, or the mutual position between the honing head and the workpiece is changed.
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