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G型滚光刀具
圆柱型内孔加工，直径可达200mm
通孔： Ø 4 - 200 mm
盲孔： Ø 6 - 200 mm
产品特性：
加工工件公差要求IT8（加工薄壁工件时要求IT9）。
GE型在加工直径50 mm和更大的孔时，工件公差要求IT11。
可加工抗拉强度≤ 1400N/mm2，洛氏硬度HRC ≤ 45的金属材料。
表面质量可达Rz < 1 μm / Ra ≤ 0.1 μm。
可用于CNC钻床、铣床和车床，加工中心或普通机床。
加工时顺时针旋转。
可选内部冷却润滑功能，配直柄、VDI、HSK、Capto或类似刀柄。
优点：
功能稳定，精度高。
加工周期短。
直径调整简单，可重复。
润滑需求低（油或乳化液）。
工具在退回时自动收缩，以防止损坏滚柱的滚光面。
磨损件容易更换。
设计：
G型工具包含基本刀体和滚压头。
刀体包含了刀柄和变径机构。该机构能以1μm的增量改变
工具的滚压直径。
刀柄可选直柄或莫氏锥柄，也可根据需求定制。
滚压头包括芯轴、保持架和滚柱。
在相同刀体直径范围内，滚压头可更换。根据需求，工具
可以配备自动进给功能（仅建议用于手动进给机床，例如箱柱式钻床）。
TYPE G:
Machining cylindrical bores up to Ø 200 mm
Through holes: Ø 4 - 200 mm
Blind holes: Ø 6 - 200 mm
Features:
Can be used up to tolerance class IT8 (up to IT9 forthin-walled workpieces).
Type GE up to tolerance class IT11 for Ø of 50 mm and larger.
Machines all metal materials up to a tensile strength of 1400 N/mm2 and a maximum hardness of HRC ≤ 45.
Can achieve a surface quality of Rz < 1 μm / Ra ≤ 0.1 μm).
For use on CNC-controlled drilling or milling machines and lathes, machining centers or conventional machine tools.
Machining with clockwise rotation.
Optional internal cooling-lubricant supply possible with straight shank, VDI shank, HSK, Capto, or similar shanks.
Advantages:
Reliable function, high degree of accuracy.
Short cycle time.
Diameter adjustment is easy and reproducible.
Requires minimal lubrication (oil or emulsion).
Tool automatically contracts upon retraction, preventing damage to the roller burnished surface.
Wear parts are easy to exchange.
Design
Type G tools consist of a basic tool body and a burnishing head.
The tool body contains the tool shank as well as the mechanism for the infi nitely variable setting of the rolling diameter in increments of 1 μm.
Tool shanks either with Morse taper or straight shank; special designs by request.
The burnishing head consists of the cone, cage and rollers.
Burnishing heads are replaceable within the diameter range. By request, the tools can be equipped with selffeeding capability (recommended only for machines with manual feed (e.g. box column drilling machines)).

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