Precision boring set ⌀ 9.75 − 101.1 mm, Connection: ER40

Article no.: 237512 ER40
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  • Through-coolant: yes

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Product details

Technical Data

Connection ER40
Through-coolant yes
Standard ISO 15488-B
Type of product Boring tool

Identification & Classification

Article number 237512 ER40
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EAN / GTIN 4045197608567
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Manufacturer number 237512 ER40
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Manufacturer/responsible person Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com

Description

Version:

The ER precision boring tool can be adapted directly on to the ER40 collet chuck.

Application:

For boring bars with shank ⌀ 16 mm and insert toolholder.
Can be extended with adapter and insert toolholder to ⌀ 152.1 mm.
Adjustment accuracy 0.01 mm / with vernier 0.002 mm on the ⌀.
Boring bars with suitable standard ISO insert type CC..0602.
Insert toolholders with suitable standard ISO insert type CC..09T3.

Supplied with:

1 fine boring head: No. 237513 ER40
1 pc. each boring bar (max. boring length): No. 237630 boring bar ⌀ 9.75 − 20.1 mm (30 mm);
No. 237634 boring bar ⌀ 19.75 − 30.1 mm (72 mm);
No. 237640 boring bar ⌀ 29.75 − 48.1 mm (85 mm);
No. 237642 boring bar ⌀ 47.75 − 88.1 mm (85 mm).
1 insert toolholder: No. 237645 for ⌀ 87.75 − 101.1 mm (with adapter No. 237534 up to ⌀ 114.1 mm).
1 each of insert: No. 260052 size CU7010 (or use CC..0602);
No. 260058 size CU7010 (or use CC..09T3).

Spare part:

For No. 237630237642: Insert screw No. 219830.
For No. 237645; 237531; 237532: Insert screw No. 219805.

Recommendation:

Best with inserts No. 237695237698.

Note:

Insert toolholder 237531 for extending the ⌀ range from 105.75 to 119.1mm (up to 132.1 with the adapter 237534).
Insert toolholder 237532 for extending the ⌀ range from 125.75 to 139.1mm (up to 152.1 with the adapter 237534).
During the extraction cycle, ensure cutting edge orientation ±20°!

Warning:

Intended use
  • For precision bores with tight tolerances and high surface quality within the range Ø 86 to 302 mm.
  • Maximum cutting speed: 300 m/min. Reduce the cutting speed to suit the tool length.
  • Article no. 237573: For bores in the range Ø 242 to 402 mm.
  • Use with a HW63 arbor.
  • Use with ISO indexable inserts type CC..09T3.. (Article nos. 237697 and 237698).
  • Use only with insert screw Article no. 239805.
  • For work in industrial environments.
  • Use only when it is technically in good condition and safe to operate.

Reasonably foreseeable misuse
  • Do not use as an indexable drill.

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