User Friends; Hello selecting V-iron or V-shaped frame when; according to V-iron or V-frame measured diameter shaft to select the appropriate specifications; The following is relevant to introduce my company V-iron!:
A, V-iron according to JB / T8047-95 standards for manufacturing, also known as V-frame, commonly used with three V-iron, single-port V-iron and five V-iron. Inventory of five V-iron. V HT200-250 type iron using high-quality materials, paired supply, mainly used for the detection precision shaft parts, dash, instrument and fixed clamping machining.
Two, V-shaped iron Accuracy: divided into one, two, three.
Three, V-iron is mainly used to place a circular piece shaft sleeve, disc, etc., in order to find the center line and draw the centerline. Usually a pair of V-shaped frame is two, plane and two of V-groove are milled in a single installation. parallelism precision V-frame size with each other between the surfaces, vertical error within 0.01 mm, the center line of the V-grooves must be within the plane of symmetry of the V-shaped frame and the bottom surface parallel error, concentricity, parallelism is also within 0.01 mm of, V-groove half-angle error is within ± 30 ~ ± 1 range. Precision V-frame also can be crossed, V-shaped frame with a frame holding bow , cylindrical workpieces can be clamped firmly in a V-rack, flip to various locations crossed.
Four, V-iron common specifications parallelism related parameters: