- •Text 1 machine-building
- •Text 2 machine elements (2071)
- •Text 3 machine-tools (1656)
- •Text 4 lathes
- •Vertical boring and turning mills
- •Text 6 horizontal boring mills
- •Text 7 drilling machines
- •Text 8 grinding machines
- •Text 9 gear shaper model 5m14
- •Text 10 operation and maintenance of electric equipment
- •Text 11 preliminary preparations, starting the machine for the first time
Vertical boring and turning mills
An important place in the Russian industry is held by open-side and double-upright vertical boring mills designed for handling workpieces of various sizes.
Brief specifications of some vertical boring mill models are given below:
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|
Model designation | |||||
|
Open-size |
Double-upright | |||||
|
Table diameter, mm
Actual swing, mm
Maximum height of workpiece, mm
Weight of workpiece, t
Number of table speeds
Table speed range, r. p. M
Weight of machine, t |
1531 1030 1250
1000
2
16
6.3 to 315 12 |
1541 1400 1600
1250
5
16
4 to 200
18 |
1553 2100 2300
1400
6
16
2.2 to 71
35 |
1532 3080 3200
2000
20
18
0.6 to 31
70 |
1565 4500 5000
3000
45
Infinite
0.4 to 20.7 140 |
1591 8750 12500
5000
220
infinite
0.13 to 8.45 550 |
Text 6 horizontal boring mills
Specifications of some general-purpose horizontal boring mill models are given below.
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Model designation | |||
|
2A613 |
2620 |
2656 |
2680 | |
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Spindle diameter, mm
Table dimensions, mm
Number of spindle speeds Spindle speed range, r. p. m. Column travel, mm Weight of machine, t |
62
710x900
12
51 to 1285
– 5.9 |
90
900x1120
22
12.5 to 1600 – 12 |
175
Bedplate
22
7.5 to 950
3200 41.5 |
320
Bedplate
Infinite
2 to 250
6000 161.8 |
Text 7 drilling machines
This class of machine-tools covers a wide nomenclature of models.
Given below are data on some drill press models.
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|
Model designation | |||
|
2A125 |
2A135 |
2A150 |
2170 | |
|
Maximum drill size, mm
Reach of spindle, mm
Table dimensions, mm
Number of gears
Speed range, r. p. m.
Weight of machine, t |
25
250
500x375
9
96 to 1360
1.02 |
35
300
500x450
9
(1)63 to 1004 (11)119 to 1905
1.7 |
50
350
600x500
12
32 to 1400
2.2 |
75
400
750x600
12
22 to 1018
3.5 |
The above drilling machines are equipped with mechanisms permitting not only drilling, countersinking and reaming, but also cutting female threads with the help of taps.
Both universal and special-purpose type radial drills are built.
The basic models of universal radial drills are:
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Model designation | ||||
|
|
2A53 |
2A55 |
2Б55 |
257 |
258 |
|
Maximum drill size, mm
Maximum reach, mm
Number of spindle speeds
Speed range, r. p. m.
Weight of machine, t |
35
1200
12
50 to 2240
3.1 |
60
1500
19
30 to 1700
4.1 |
50
2000
19
30 to 1700
10.2 |
75
2000
22
11.2 to 1400 10.6 |
100
3000
21
9 to 1000
20 |