SU806275A1 - Method of boring stepped holes - Google Patents
Method of boring stepped holes Download PDFInfo
- Publication number
- SU806275A1 SU806275A1 SU792717812A SU2717812A SU806275A1 SU 806275 A1 SU806275 A1 SU 806275A1 SU 792717812 A SU792717812 A SU 792717812A SU 2717812 A SU2717812 A SU 2717812A SU 806275 A1 SU806275 A1 SU 806275A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- boring
- cutters
- stepped holes
- boring bar
- cutting
- Prior art date
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- Cutting Tools, Boring Holders, And Turrets (AREA)
Description
tt
Изобретение относитс к обработке металлов резанием и может быть использовано при обработке отверстий.The invention relates to metal cutting and can be used in the processing of holes.
Известен способ растачивани ступенчатых отверстий, включающий обработку ступеней отверсти несколькими резцами, закрепленньами на борштанге , каждый из которых предназначен дл обработки одной ступени 1 .There is a known method of boring stepped holes, which includes machining holes by several incisors attached to a boring bar, each of which is intended for machining one step 1.
Недостатком известного способа вл етс то, что дл обеспечени работы каждого резца в зоне оптимальных скоростей резани , ступени отверстий растачиваютс последовательно, причем при переходе с обработки одной ступени к обработке другой режимы резани измен ютс .The disadvantage of the known method is that in order to ensure that each cutter operates in the zone of optimal cutting speeds, the steps of the holes are bored sequentially;
Цель изобретени - повышение производительности и качества обрабатыв емой поверхности.The purpose of the invention is to increase the productivity and quality of the treated surface.
Поставленна цель достигаетс тем что инструментальный материгш дл режущей части резцов выбирают -из уел ВИЯ обеспечени работы каждого резца на оптимальной скорости резани при посто нной дл всех резцов частоте вращени борштанги.This goal is achieved by the fact that the tool material for the cutting part of the incisors chooses the following to ensure the operation of each cutter at the optimal cutting speed at a constant rotation frequency for all the incisors.
На чертеже показана борштанга, примен ема дл осуществлени предлагаемого способа.The drawing shows a boring rod used for carrying out the proposed method.
Расточные резцы 1-3 установлены в корпусе борштанги 4 и закреплены винтами 5 и 6. Посредством фланца 7 борштанга крепитс к шпинделю станка . The boring cutters 1-3 are installed in the housing of the boring bar 4 and fastened with screws 5 and 6. By means of the flange 7, the boring bar is fastened to the machine spindle.
Резцы 1, 2 и 3 установлены соотd 2 ri d ,Cutters 1, 2 and 3 are set to 2 ri d,
ветственно на размеры dresponsibility for dimensions d
4 four
равные диаметрам ступеней обрабатываемого отверсти , причем режуща equal to the diameters of the steps of the machined hole, and cutting
0 часть резцов изготовлена из неодинаковых инструментальных материалов.0 part of the incisors made of unequal tool materials.
Вывод услови , обеспечивающего возможность работы резцов на оптимальной скорости резани при посто нной Derivation of a condition that allows the cutters to work at an optimal cutting speed at a constant
5 дл всех резцов частоте вращени борштанги, основан на известной формуле5 for all incisors, the frequency of rotation of the boring bar, based on the well-known formula
У „ JLUn.(1 )Have „JLUn. (1)
1000 1000
где V - скорость резани , м/мин; where V is the cutting speed, m / min;
0 d - диаметр обработки, мм , п - частота вращени , об/мин. Если при посто нной п обрабатываютс поверхности d,dj . ,d , 0 d - diameter of processing, mm, n - rotation frequency, rpm. If, at a constant n, surfaces are treated with d, dj. d
5 то скорости резани на каждой ступени равны5 then the cutting speeds at each step are equal
Ttcl4 л ., „ - .Ttcl4 l., „-.
2 1000 2 1000
V 1000 Hdn-riV 1000 Hdn-ri
2)2)
OO
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU792717812A SU806275A1 (en) | 1979-01-25 | 1979-01-25 | Method of boring stepped holes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU792717812A SU806275A1 (en) | 1979-01-25 | 1979-01-25 | Method of boring stepped holes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU806275A1 true SU806275A1 (en) | 1981-02-23 |
Family
ID=20807297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU792717812A SU806275A1 (en) | 1979-01-25 | 1979-01-25 | Method of boring stepped holes |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU806275A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113210648A (en) * | 2021-06-10 | 2021-08-06 | 盐城京奇刀具有限公司 | Automobile hub composite cutter and air hole one-step forming method |
-
1979
- 1979-01-25 SU SU792717812A patent/SU806275A1/en active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113210648A (en) * | 2021-06-10 | 2021-08-06 | 盐城京奇刀具有限公司 | Automobile hub composite cutter and air hole one-step forming method |
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