Information:
Product Model:BT-ERChuck
Taper:JIS MAS 403(Taper7:24)
Material:40Cr OR 20CrMnTi
Maximum Rotating speed:25000rpm
Runout (Precision) ≤0.005
Suitable Pull Stud:BT30 BT40 BT50;BT30 BT40(High speed type)
Spindle anastomosis angle:30°/45°/90°
Hardness:harden of Carburizing(52HRC)
conventional treatment(44-48)HRC
We can customize the Dynamic balance type:G2.5;G6.3.
Type=chuck taper holder;Collet=Spring collet specification;L1=chuck work length
| Type |
D |
L1 |
Clamping Range |
Collet |
Wrench |
Pull Stud |
| BT30-ER11A-60 |
19 |
60 |
1.0-7.0 |
ER11 |
ER11-A |
BT30 |
| BT30-ER16A-70 |
28 |
70 |
1.0-10.0 |
ER16 |
ER16-A |
| BT30-ER16A-100 |
100 |
| BT30-ER20A-70 |
34 |
70 |
1.0-13.5 |
ER20 |
ER20A |
| BT30-ER20A-100 |
100 |
| BT30-ER25UM-70 |
42 |
70 |
1.0-16.0 |
ER25 |
ER25UM |
| BT30- ER25UM-100 |
100 |
| BT30- ER25UM-60 |
50 |
60 |
3.0-20 |
ER32 |
ER32UM |
| BT30- ER25UM-100 |
100 |
| Type |
D |
L1 |
Clamping Range |
Collet |
Wrench |
Pull Stud |
| BT40-ER16A-70 |
28 |
70 |
1.0-10.0 |
ER16 |
ER16-A |
BT40 |
| BT40-ER16A-100 |
100 |
| BT40-ER20A-70 |
34 |
70 |
1.0-13.5 |
ER20 |
ER20-A |
| BT40-ER20A-100 |
100 |
| BT40-ER25UM-70 |
42 |
70 |
1.0-16.0 |
ER25 |
ER25-UM |
| BT40-ER25UM-100 |
100 |
| BT40- ER32UM-70 |
50 |
70 |
3.0-20.0 |
ER32 |
ER32-UM |
| BT40- ER32UM-100 |
100 |
| BT40- ER40UM-100 |
63 |
100 |
3.0-26 |
ER40 |
ER40-UM |
Characteristic:
1. Suitable for high speed engraving and milling machine with BT main shaft without positioning groove, rotating speed 25000rpm;2. Accuracy 0.005mm;3. Bright appearance, better technology, excellent material, high precision, optional dynamic balance
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