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Overhaul / retrofit of TOS / TRENS Trenčín lathes
Our company focuses on the overhaul and refurbishment of conventional lathes manufactured by TOS Trenčín / TRENS Trenčín.
All overhauls are supported by in-house availability of spare parts for TOS / TRENS Trenčín lathes, allowing reliable replacement of worn components and consistent overhaul quality.
Supported machine models
We primarily work on the following machine types:
- SN series: SN32, SN40, SN45, SN50, SN55, SN63, SN71
- SUI series: SUI32, SUI40, SUI50, RP
- SV18 series: SV18R, SV18RA, SV18RD
Drive system modernization
For machines equipped with a variable speed drive, the original drive system (including motor and controller) is replaced with a modern solution using an inverter and asynchronous motor, improving reliability and serviceability.
Overhaul options
We offer several overhaul approaches depending on customer requirements:
- overhaul of the customer’s machine in our workshop in Trenčín
- exchange-based overhaul (replacement machine solution)
- repairs and interventions based on the customer’s specific request
Modernization and upgrades
All machines can be upgraded during overhaul to meet current CE requirements where applicable.
We also offer installation of a digital readout (DRO) as part of the overhaul process.
Final inspection and handover
After completion, each machine is:
- assembled and adjusted
- tested under operation
- verified according to the accuracy protocol for the given machine type
Warranty
All overhauled machines are supplied with a 12-month warranty.
Transport
Overhauls are carried out exclusively in our workshop. Machines or subassemblies must be delivered to our premises. Transport can be arranged individually based on customer location.
Request a quote at [email protected]
Gallery
Before & after
Scope of overhaul
The extent of the overhaul is defined based on the technical condition of the machine. Work is carried out on the following machine groups:
- electrical installation and drive systems
- headstock
- carriage, cross slide and compound
- apron
- thread cutting gearbox
- speed gearbox
- machine covers and protective elements
Disassembly and inspection
The overhaul process begins with:
- complete disassembly of machine subassemblies
- cleaning of individual components
- detailed inspection and evaluation of all parts
Components in acceptable condition are reused. Worn or damaged parts are replaced.
Replacement of key components
During overhaul, the following parts are typically replaced:
- all bearings and sealing elements
- leadscrews, feed screws and corresponding nuts
- other worn mechanical components as required
Finishing
- final surface treatment and coating of the machine
Reconditioning of functional surfaces
To restore machine accuracy, the following operations are performed where necessary:
- grinding of bed guideways and sliding surfaces
- grinding of spindle and tailstock barrel
- scraping of guide surfaces to ensure proper contact
- fitting and finishing of gibs
Electrical system
Electrical components are addressed as follows:
- removal and inspection of existing electrical installation
- production and installation of new electrical wiring (if required)
- disassembly of electric motors, cleaning and bearing replacement
- reassembly, inspection and functional testing of motors
Assembly and adjustment
After reconditioning, the machine is reassembled:
- assembly of main machine groups
- alignment and positioning according to required tolerances
- assembly of secondary subassemblies and components
Final inspection and testing
Before handover, each machine undergoes:
- accuracy measurement according to the relevant protocol
- functional testing under operating conditions