600mm 挤扩式扩孔器

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挤扩式扩孔器

挤扩式扩孔器本体采用优质合金钢，经淬火调质。一体式芯轴，特质的耐磨合金削齿，使用进尺速度更快，内部采用分水隔仓设计，使其在空洞中泥浆浮力的作用下，重量更轻，扭矩更小，更有效的防止梨型孔的形成。根据各种地层设计不同长度直筒段，使其成孔效果更好。（直径150mm-1800mm可根据客户要求定制）

Barrel reamer is made of high quality alloy steel, quenched and tempered. One-piece core shaft, special wear-resistant alloy tooth cutting, faster drilling speed , water-resisting cavity be designed in internal of reamer, so that under the action of mud buoyancy in the hole, the weight is lighter, less torque, avoid making pear type hole. Different length straight tube sections are designed follow various strata is better for operating hole. (The reamer size150mm-1800mm diameter is bespoken as order)

挤扩式扩孔器参数

挤扩式扩孔器尺寸 Barrel Backreamers Size	芯轴直径/扣型
	Thread /Shaft Size
	NC23	D50	NC26	D80	NC31	NC38	NC46	NC50	5-1/2"FH
200mm	￠90	￠90	￠90	／	／	／	／	／	／
250mm	￠90	￠90	￠90	￠108	￠108	／	／	／	／
300mm	￠90	￠90	￠90	￠108	￠108	￠128	／	／	／
350mm	￠90	￠90	￠90	￠108	￠108	￠128	／	／	／
400mm	￠90	￠90	￠90	￠108	￠108	￠128	￠168	￠178	／
450mm	￠90	￠90	￠90	￠108	￠108	￠128	￠168	￠178	￠195
500mm	￠90	￠90	￠90	￠108	￠108	￠128	￠168	￠178	￠195
550mm	￠90	￠90	￠90	￠108	￠108	￠128	￠168	￠178	￠195
600mm	￠90	￠90	￠90	￠108	￠108	￠128	￠168	￠178	￠195
650mm	￠90	￠90	￠90	￠108	￠108	￠128	￠168	￠178	￠195
700mm	￠90	￠90	￠90	￠108	￠108	￠128	￠168	￠178	￠195
750mm	￠90	￠90	￠90	￠108	￠108	￠128	￠168	￠178	￠195
800mm	￠90	￠90	￠90	￠108	￠108	￠128	￠168	￠178	￠195
850mm	￠90	￠90	￠90	￠108	￠108	￠128	￠168	￠178	￠195
900mm	￠90	￠90	￠90	￠108	￠108	￠128	￠168	￠178	￠195
950mm	￠90	￠90	￠90	￠108	￠108	￠128	￠168	￠178	￠195
1000mm	￠90	￠90	￠90	￠118	￠118	￠128	￠168	￠178	￠195
1050mm	￠90	￠90	￠90	￠118	￠118	￠128	￠168	￠178	￠195
1100mm	￠90	￠90	￠90	￠118	￠118	￠128	￠168	￠178	￠195
1150mm	￠90	￠90	￠90	￠118	￠118	￠128	￠168	￠178	￠195

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