lathes SN32-SN40-SN45-SN50-SN55-SN63-SN71
We overhaul / retrofit all types of SN models from the production of TOS / TRENS Trenčín. The complete scope of repair is listed further.
If you have just started looking for a lathe, please see the section of Lathe offers.
Delivery options
We offer the following options for lathe overhauls:
- lathe overhaul of your lathe in our company in Trenčín
- lathe overhaul provided in exchange for your lathe
CE certification
For all lathes we offer a modernization option according to Section 22 of Act 56/2018 Coll. and pursuant to Directive 2006/42/EC of the European Parliament and of the Council and Government Regulation No. 436/2008 Coll.
For a CE update it is necessary to add (depending on the version A-B-C):
- moving the electric installation on the headstock (version A)
- chuck guard with microswitch
- carriage guard
- lead screw and bar guard
- rear guard
Accessories
We offer a option to install a digital readout and supply of chucks, flanges, live/dead centers, rests and other accessories.
Warranty
We offer a 12 month warranty on our lathes.
Service
We offer warranty and post warranty service, as well as a supply of spare parts.
| Technical data | SN40 | SN45 | SN50 |
|---|---|---|---|
| Max. swing over bed | 400 mm | 450 mm | 500 mm |
| Distance between centers | 1060 / 1560 / 2060 mm | ||
| Swing over carriage | 200 mm | 225 mm | 250 mm |
| Spindle bore | 50,80 mm | ||
| Internal spindle taper | MORSE 6 | ||
| Inner quill taper | MORSE 5 | ||
| Spindle nose | B6 (Camlock D1) | ||
| Spindle velocity – normal range | 45-2000 rev./min | ||
| Spindle velocity – decreased range | 22-1000 rev./min | ||
| Technical data | SN55 | SN63 | SN71 |
|---|---|---|---|
| Max. swing over bed | 550 mm | 630 mm | 710 mm |
| Distance between centers | 1000 / 1500 / 2000 / 2500 / 3000 / 4000 / 5000 / 6000 / 7000 mm | ||
| Swing over carriage | 310 mm | 340 mm | 420 mm |
| Spindle bore | 61 mm | ||
| Spindle bore up to 540 mm | 72 mm | ||
| Internal spindle taper | metric 80 mm | ||
| Inner quill taper | MORSE 5 | ||
| Spindle nose | B8 | ||
| Spindle velocity I. | 10-112 rev./min | ||
| Spindle velocity II. | 900-1000 rev./min | ||
Overhaul scale / scope of repair
- Dismantling of machine subgroups
- electric installation and motors
- headstock
- carriages and slides
- apron
- thread cutting gear box
- speed gear box
- coverings
- Analysis of subgroups
- Clearing of parts of subgroups
- Review finding
- inspection of parts. The good ones are reused, the worn ones are replaced
- replacement of all bearings and seals
- replacement of all sliding screws and nuts
- Grinding of bed, slides, supports, spindle and tailstock barrel
- Scraping guide surfaces to positions, finishing of gibs
- Production of a new electric installation
- Dismantling of electric motors. Cleaning, replacement of bearings, assembly, inspection. Testing.
- Assembly of machine groups, measurement, positioning according to the precision protocol
- Assembly of other sub-groups of the machine
- Accuracy measurement
- Machine testing
- Final coating of the machine
