Production Technologies
HUNTER molding line
Sandthrower
Furan
Aggregate furnaces
Production of cores
Surface finish
Heat treatment
HUNTER molding line
An automatic frameless molding line, based up a Hunter forming machine with a jacket size of 600 × 800 300/300, pouring lines, cooling tunnel, vibrating grate, own sand silo with sand mixer DISA and vibrofluid fridge. The production line is computer controlled. It produces castings weighing from 3 kg to 70 kg.
Sandthrower with a spatula frames
- Forming of bentonite mix
- Frame size: 1000 × 1200mm
- Casting Weight: 300 kg
- Medium series
Furan
The furan castings are produced from both steel, ductile and gray iron weighing from 25 to 1800 kg.
The forms are produced from a self-hardening mix with furan resin. The form mix is made by a mixer, a product of WÖHR 25 t / h 1SS. We form into a frame size of 600 × 600 to 2200 × 2200 mm. Model equipment for unit production is free wooden model. For larger series is used a wooden model on the boards. These boards are placed on automatic tracks, a product of Axman. Removal of the castings and sand regeneration are provided with the technology from GUT.
Aggregate furnaces
The foundry is equipped with an electric arc furnace OTO 3 with a capacity of 4 - 5,5 t liquid metal.
Additionally, the foundry is equipped with a crucible induction furnace with a capacity of 2 t + 0,5 t.
Production of cores
- Manual production of cores
- In co-operation - the core system Cold-box
Surface finish
- Steel shot blasting machine (hanging blaster, drum blaster)
- Hand blasting (blasting chamber)
- Grinding (shuttle grinder, hand grinding and sanding rack)
- Priming of castings
- Application of a corrosion inhibitor
Heat treatment
Heat treatment of castings is carried out in gas furnaces. The furnaces are as follow:
a tunnel conveyor furnace, a chamber furnace and a carousel furnace.
- Annealing furnace - normalization
(continuous annealing furnace, conveyer annealing furnace for casting of size 4 × 5 m) - Metal heat treatment – hardening is carried out in cooperation with our partners