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Modular cartridge for reliable internal turning

The E-FIT internal turning holder PCLNR/L (95°) by SMOXH is developed as an interchangeable cutting head for the ECOBODY modular system. This tool holder opens up flexible application possibilities for internal boring and facing by enabling the use of negative CNM inserts in tight spaces. The integrated pin lock clamping mechanism provides high holding force on the cutting edge, supporting smooth and stable machining processes even during interrupted cuts or varying workpiece contours. Using modular cartridges significantly reduces tooling costs and setup times, as the aligned boring bar base body can remain in the machine's tool holder.

Technical data

  • System: E-FIT modular boring bar system
  • Tool type: Cartridge / Internal turning holder PCLNR/L
  • Cutting angle: 95°
  • Insert shape: CNM..
  • Clamping mechanism: Pin Lock (Lever clamping)
  • Packaging unit: 1 Pc.

Dimensions of E-FIT - PCLNR/L (95°)

Item Nr. d L K Dmin
Ecobody Ø40
Dmin
Ecobody Ø50
Dmin
Ecobody Ø60
Insert Shim Shim Spring Lever Lever Screw
E-FIT PCLNR-12 SM79854 40 40 27 ≥50 ≥60 ≥70 CNM.. 1204.. BAX-CN12 SLAY1 SPL1 SLV6 M8x18
E-FIT PCLNL-12 SM79861 40 40 27 ≥50 ≥60 ≥70 CNM.. 1204.. BAX-CN12 SLAY1 SPL1 SLV6 M8x18
E-FIT PCLNR-16 SM79878 40 40 27 ≥50 ≥60 ≥70 CNM.. 1606.. BAX-CN16 SLAY2  SPL2 SLV2 M8x24
E-FIT PCLNL-16 SM79885 40 40 27 ≥50 ≥60 ≥70 CNM.. 1606.. BAX-CN16 SLAY2  SPL2 SLV2 M8x24

Applications

The main applications for this interchangeable head include internal longitudinal turning and facing. Thanks to the modular ECOBODY system, the tool is perfectly suited for lathes where setup times need to be shortened through fast replacement of the cutting head. Its compatibility with CNM inserts makes this holder a well-conceived solution for roughing and finishing internal contours in professional machining.

Special features

The E-FIT system stands out with its modular construction: the cutting head can be detached from the ECOBODY base body and replaced in just a few simple steps. The pin lock mechanism not only clamps the indexable insert from above but also securely pulls it into the pocket using a tubular pin, which minimizes vibrations and can positively influence the tool life of the cutting edge. All spare parts, such as shims, knee levers, and screws, are precisely matched to the holder system.

SMOXH
SM79885

Data sheet

Type of clamping
Pin Lock
Cooling Holes
without cooling holes
Inserts
CN..
Turning
Facing
Longitudinal turning

Compatible products

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