Precision boring set ⌀ 9.75 − 152.1 mm ER40

For ⌀ range 9.75 - 152.1 mm. The modular ER precision boring tool can be adapted directly on to the ER40 collet chuck. Supplied in an ABS plastic case.

• Adjustment accuracy: 0.01 mm per graduation. Adjustment accuracy 0.002mm on the ⌀ via vernier.
• At the 0 position, without tool, balanced to Q2.5 / 6000 rpm.
• Max. speed 10,000 rpm.
• Cooling using a coolant nozzle, optimum coolant pressure 10 – 20 bar, minimum 5 bar.
• Slides radially adjustable with clamp.

1 fine boring head: ER40
1 each cartridge: No. 237517 size 1 for ⌀ 25 – 37 mm
No. 237517 size 2 for ⌀ 37 – 89 mm
No. 237517 size 3 for ⌀ 89 – 152.1 mm
1 bridge: No. 237518 size 2 for ⌀ 101.1 – 152.1 mm
1 carrier for cartridge (max. boring length): No. 237519 for ⌀ 25 − 63 mm (90 mm)
1 packing piece: No. 237520 for ⌀ 63 – 152.1 mm
1 each boring bar (max. boring length): No. 237521 size 1 for ⌀ 9.75 – 18 mm (50 mm)
No. 237521 size 2 for ⌀ 18 − 25 mm (77 mm)
1 each flag wrench: No. 625920 size 8IP
No. 625920 size 10IP
1 hexagon L-wrench: No. 627424 size 4
2 socket-head screws: No. 237522 size M5×12
2 plain washers: No. 237523
2 disc springs: No. 237524

Insert screw No. 239652 (8IP3; 1.28 Nm) for boring bar No. 237521 size 1.
Insert screw No. 239653 (8IP; 1.28 Nm) for boring bar No. 237521 size 2 and tool cartridge No. 237517 size 1 and size 2.
Insert screw No. 239653 (10IP1; 2.8 Nm) for cartridge No. 237517 size 3.

Suitable indexable insert CCGT0602.. and CCGT09T3.. (for instance No. 237695 / 237698) please order these separately.
During the extraction cycle ensure cutting edge orientation ±20°!