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EM69/79 Series · Automatic 3-axis CNC centers

EM69/79 Series: the complete block in a single setup

The EM69ATC and EM79 are Rottler's automatic CNC centers for complete engine block work: boring and sleeving, surfacing, line boring, lifters. The block is mounted once, the machine runs the operations in sequence, with 360° rotation to present each face.

The EM79 brings the large dual-station table, the EM69ATC a 24-tool changer and linear roller guideways. Each is available with an automatic tool changer for production. Not sure which one? Tell us your blocks, your volumes and your other operations: we will point you to the right one.

EM69/79 Series: the complete block in a single setupRottler · Automatic 3-axis CNC centersEM69/79 Series

A single setup

Boring, surfacing, line boring, lifters: the block stays in place while the machine moves from one operation to the next.

Tool changer

Automatic changer for production: 24 tools on the EM69ATC, ATC version of the EM79. Cycles run one after another without an operator.

Conversational control

Touch-screen control: everyday operations are programmed in minutes, with no prior CNC skills.

Lasting precision

Rigid structure, direct-drive ball screws, servo motors: positioning accuracy stays stable over time.

The models

The EM69/79 Series models.

EM69ATC

3/4-axis center with 24-tool automatic changer. Linear roller guideways, 500 × 1501 mm table, 0 to 8,000 rpm spindle.

EM79

The dual-work-station multi-purpose center: 2325 × 575 mm table, cylinder boring from 19 to 178 mm, line boring from 48.5 to 150 mm, CAT 40 spindle.

EM79ATC

The EM79 with automatic tool changer and extended cycles, for production: operations run on their own.

Specifications

Specifications.

EM69ATCEM79EM79ATC
Axes3 / 433
Tool changer24 tools—Automatic
GuidewaysLinear roller bearingsTURCITE box waysTURCITE box ways
Table500 × 1501 mm2325 × 575 mm (5 T-slots)2325 × 575 mm (5 T-slots)
X / Y / Z travelsOn request1829 / 355 / 457 mm1829 / 355 / 457 mm
Cylinder boring (optional heads)On request19 – 178 mm19 – 178 mm
Line boring (optional heads)On request48.5 – 150 mm48.5 – 150 mm
Power supplyOn request208-240 V, single phase208-240 V, single phase
Applications

Applications.

  • Boring and sleeving of engine blocks: automotive, racing, diesel
  • Surfacing of blocks and cylinder heads
  • Line boring: crankshaft and camshaft bearings
  • Connecting rod and lifter boring
  • Machining of custom parts
Going further

The full pages.

EM70 Series

The full page on the EM79 and EM79ATC: dual stations, automatic line boring, connecting rods.

See the series →
EM60 Series

The full page on the EM69: EM69ATC, and the EM69P and EM69HP digitizing and porting versions.

See the series →
Frequently asked questions

Before you choose.

EM69ATC or EM79?

EM69ATC: 3/4-axis center with 24-tool automatic changer and linear roller guideways, for the production of blocks and custom parts. EM79: the large dual-station table, line boring and connecting rods. Tell us your blocks and your volumes, we will point you to the right one.

Does the block stay in place for every operation?

Yes: boring, surfacing, line boring, lifters, with 360° rotation to present each face, in a single setup.

Where are the full specifications?

On the EM70 Series (EM79, EM79ATC) and EM60 Series (EM69ATC, EM69P, EM69HP) pages, or in the documentation to request at the bottom of the page.

Full documentation

The detailed brochure.

Specifications, tooling, fixtures and options of the EM69/79 Series. Leave your details below and you will receive the documentation.

EM69/79 Series documentation
The assistant

Your need doesn't fit the page? Describe it.

Your engines, your operations, your volume: the RECTIPERF assistant points you to the right Rottler series, using the content of this site.

Let's talk about your shop.
+33 (0)4 58 10 59 66

Price request, series documentation, training, after-sales service: Jonathan answers you. Or write to j.philips@rectiperf.com.