Precision boring set ⌀ 39.9 − 100.1 mm, Connection: ER25

Article no.: 237502 ER25
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Availability

  • Use for drilling: oblique exit; limited cross-drilling; Cross-drilling
  • Through-coolant: yes

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Product details

Technical Data

Connection ER25
Use for drilling oblique exit; limited cross-drilling; Cross-drilling
Through-coolant yes
Standard ISO 15488-B
Type of product Boring tool

Identification & Classification

Article number 237502 ER25
EAN / GTIN 4045197808516
Manufacturer number 237502 ER25
Manufacturer Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com

Description

Version:

For ⌀ range 39.9 - 100.1 mm. The modular ER precision boring tool can be adapted directly on to the ER25 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.

Supplied with:

1 precision boring head: ER25
1 each cartridge: No. 237517 size 1 for ⌀ 39.9 – 57 mm
No. 237517 size 2 for ⌀ 57 – 100.1 mm
1 bridge: No. 237518 size 1 for ⌀ 70.1 – 100.1 mm
1 flag wrench: No. 625920 size 8IP
1 hexagon L-wrench: No. 627310 size 4
2 socket-head screws: No. 237522 size M5 × 12
2 plain washers: No. 237523
2 disc springs: No. 237524

Spare part:

Insert screw No. 239653 (8IP; 1.28 Nm) for tool cartridge No. 237517 size 1 and size 2.

Note:

Suitable indexable insert CCGT0602.. (for instance No. 237695 / 237696) please order these separately.
During the extraction cycle ensure cutting edge orientation ±20°!

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