BASIC ARBORS
FACE MILL
Type A
Type B
L 1
L
L 2
L L 1 L 2
K
Fig. 2
Fig. 1
R
(ARBOR TYPE A)
SPINDLE SYSTEM DUAL CONTACT
Drive Key
Clamp Bolt
Weight (lbs.)
BIG-PLUS Taper Catalog Number
Standard Taper Catalog Number
øD (h6)
Fig.
øD 1
øD 2
L
L 1
L 2
W
BBT30-FMA22.225-45 BBT30-FMA25.4-45
1 2 2
.875 1.654 1.000 1.969 1.250 2.362
— 1.772 .709 — 1.772 .866
.157 .197
.327 .374 .500
M10-40L MBA-M12 MBA-M16
1.6 1.9 2.4 3.3 5.1 7.5 3.7 5.3 6.6 8.8 5.5
—
—
BT30-FMA31.75-45 BT40-FMA25.4-45 BT40-FMA25.4-90
— 1.772 1.181 .276
BBT40-FMA25.4-45 BBT40-FMA25.4-90 BBT40-FMA25.4-150 BBT40-FMA31.75-45 BBT40-FMA31.75-75 BBT40-FMA31.75-105 BBT40-FMA31.75-150 { BBT40-FMA38.1-60 {
— 1.772
1.000 1.969
3.543 5.906 1.772 2.953 4.134 5.906
.866
.197
.374
MBA-M12
2.362
—
BT40-FMA31.75-45 BT40-FMA31.75-75
1
1.250 2.362
—
1.181 .276
.500
MBA-M16
—
BT40-FMA38.1-60 {
2
1.500 3.150
— 2.362 1.339 .354
.626
MBA-M20
(ARBOR TYPE B)
Drive Key
Clamp Bolt
Weight (lbs.)
BIG-PLUS Taper Catalog Number
øD (h6)
Fig.
øD 1
L
L 1
L 2
W
BBT40-FMB38.1-60 { BBT40-FMB38.1-75 BBT40-FMB38.1-105 BBT40-FMB40-60 {
2.362 2.953 4.134 2.362 2.953
5.1 6.4 7.5 5.1 6.0
1.500 3.346
.354
.626
MBA-M20
2
1.024
40mm 3.346
.335
.630
MBA-M20
BBT40-FMB40-75
ACCESSORIES
• BT shank models with “—” are not standard products • Models with do not have a through hole • The weight does not include the cutter • Clamp bolt is included • Depending on the cutter, a hex socket head screw may be required for clamping. • A clamp screw with oil hole must be ordered separately for use with center-through coolant/air • The ATC arm interference zone K of the model with “ { ” is 45mm
CLAMP BOLT PG. 435
160
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