Mechanical Engeneering Production

Mechanical engineering production:

The Strojosvit company can offer a production or cooperation in the following areas:

• production of weldments from 0,5 kg up to 5000 kg from sheets, shapes and rolled stock, including treatment
• production of castings from a grey cast iron G 20 and G 25, including treatment from 0,5 kg up to 5000 kg
• production of small parts of both rotation and non-rotation character on the NC and CNC machinery
• production of sheets parts (machinery coverings, control panels, etc.) from sheets in the thickness from 0,8 up to 16 mm including a contingent processing

The Strojosvit company is further interested in the cooperation during the production of final products of a machinery branch:

• agriculture machines
• machinery and equipment for handling, transport and packing
• ecological equipment

For these branches it is also possible to provide services in the development and technology areas.

For further assistance or to obtain a quotation, please use the following form to contact our sales department. Alternatively, if you prefer, you may contact one of our regional sales agents in your local area. You will be able to find the necessary contact details for all our regional sales agents.

References:

We are proud of our association with the following valued customers. This collaboration with our customers has been established encompassing all different spheres of our production.

• Danieli, Italy
• Niehoff, Germany
• Mitsubishi Heavy Industry, Holandsko 

Thank you. Strojosvit

Our technologies:

The machinery plant incorporates independent units (production workshops) that are capable to produce some types of machinery goods with a minimum of between-shops cooperation, to make the surface finish of the goods and in a final phase to assemble them into units and dispatch them.

Machinery equipment:

• The locksmith’s workshops
  • Sheet products - coverings, consoles, lids, apparatus cases, panel covers, electro-panels.
    Technology - shearing, drilling, welding, finish. The parts are produced with a tolerance common for such products
  • Structure products - foundation frames, dryer’s frames, piping’s, steel structures.
    Technology - burning, welding, drilling, finish. The tolerance in the production common for these products
   
• Case parts
  • Products of cast iron and cast steel - side frames, frames, gear boxes, levers.
    Technology - drilling, sheets, machining, precise openings machining, threading etc. Production tolerances IT6.
  • Structure steels products - levers, tanks, beams, hydraulic blocks.
    Technologies - welding, burning, straightening of plane surfaces and grinding, holes drilling, threading.
    IT6 production tolerances.
   
• Cylindrical parts production
  • Shaft parts, shafts, knife rolls, aluminium shafts, hammer wrought rolls.
    Technologies - lathe - turning, drilling, threading, groove milling, balancing, and grindings. IT6 production tolerances.
  • Flange parts, belt pulleys, flywheels, pistons, hydraulic cylinders, covers, connecting rods, sleeves
    Technologies - lathe - turning, milling, drilling, grinding, oil grooves making. IT6 production tolerances.
   
• Small parts production
  • Caps, levers, journals, sleeves, screws, nuts, block, hydraulic elements, pistons, shafts, belt pulleys, flywheel.
    Technologies - milling, lathe-turning, grinding, drilling, cutting rolling, mechanical work (packing production).
    IT6 production tolerances.
   
• Gear wheels production
  • Spur gear, helical gear - module 2,5 - 16
  • Cone gear - module max. 6
  • Spiral gear - module 1,5 - 10
  • gear grinding - module max. 8, max. wheel width 150 mm. ( We have not equipment for internal gear)
  • band-wheel for gear belts HTD, pitch 8 and 14
   
• Material parting
  • Cutting of various shapes - circular, square, rectangular, hexagonal, rolled shapes in various lengths
  • Shearing - up to the material thickness of 12 mm
  • Direct and shape burning CNC, max. burned dimension 2000x6000 mm, thickness up to 130 mm
   
• Assemblies and electro-assemblies
  • It is possible to assemble all the leather machinery including electro-parts up to the mass of 12000 kg
  • It is also possible to assemble from delivered parts
   
• Surface finishes
  • Degreasing - technical petrol
  • Primer - by spraying, with a brush
  • Upper coating by spraying, with a brush
  • Cementing up to 3 times
  • Final machine finishes
    - epoxide and polyurethane coating system and polyurethane - wet environment
    - coating system by synthetic paints
   
• Kinds of treated materials
  • Structure steels in common qualities
  • Structure steels of the class 12, 14
  • Austenitic steels of the type 17027, 17246, 17347, 17348
  • Grey cast iron 422420, 422425
  • Cast steel 422650
  • Aluminium and bronze casts
  • Aluminium and copper alloys
  • Non-metal materials (rubber, nylon, teflon, glass, textile, pertinax, paper)
   

Required quality of products:

• All parts are produced in a quality prescribed in production documentation.
• Surface treatment is made within the limits Fa 0,8 m - 100 m in accordance with the products character.
• Dimension accuracy of parts is within a tolerance of IT 6 - IT 12.

Machinery equipment:

• The locksmith's workshops
  • power presses - table dimensions 630x430 mm, 750x500 mm, stroke 90 and 24 mm, rated force 40 and 63 kN
  • hydraulic presses - table dimensions 2000x4000 mm, rated force 35 MPa
  • shearing machine - work width 2000 mm, material thickness 4 mm
  • curved snips - material thickness up to 4 mm
  • curve shears - material thickness up to 3 mm
  • edging-off press - rated 250 kN,work width 4 000 mm
  • bending machine - work width 2000 mm, max. material thickness 4 mm
  • roughing machine work pressure 100 kN,max. material thickness 3mm
  • pipe binder - max. _ average 48,5 mm
  • sheet metal forging - work width 2000 mm, max. material thickness 4 mm
   
• Heavy mechanics
  • horizontal milling machines - table working surface 1600x315 mm
  • vertical milling machines - table working surface 1600 mm
  • plano-milling machine - table working surface 2000x4200 mm
  • horizontal boring and milling machine - table working surface from 800x890 mm up to 2000x2500 mm,∅ spindle from 63 - 100 mm
  • NC horizontal boring and milling machine - surface of mounting table from 1000x1120 mm up to 1800x1800, ∅ spindle from 100 to 130 mm
  • CNC horizontal boring and milling machine – table working surface 2000x2500 mm
  • horizontal axe 6000 mm, vertical axe 3000 mm, plate and two fixing plates 1875x4020 mm
  • flat grinders - table working surface 200x630 mm up to 1000x3000 mm
  • planing machine - table working surface 1800x6000 mm
  • drilling machines - max. ∅drilling 63 mm
  • NC drilling machines - table working surface 1000x1600 mm, ∅ drilling max.50 mm
  • NC vertical milling machine - table working surface 630x2500mm
   
• Medium mechanics - lathe workshop
  • general-purpose centre lathes - rotating above the bed: max 600 for length 4000 mm
  • vertical boring and turning machine max. 1200 mm on the height 600 mm
  • milling machine for slot spirals - table working surface 630x2500 mm
  • centre grinding machines - max. 630 mm, point distance max. 5000 mm
  • grooving cutters - table working surface 350x1200 mm
  • shaping machine - table 630 mm, stroke 570 mm
  • dynamical balancer - max. mass 1600 kg, 1600 mm, max. length 4500 mm, revolutions max. 2000 r/min (firm Schenk)
   
• Light mechanics
  • turret lathes - ∅ rotating above the bed max. 630 mm, max. rotating length 800 mm
  • NC turret lathes - max. ∅ rotating above the bed 550 mm, length 1000 mm
  • centre lathes - max. ∅rotating above the bed 500 mm, rotating length 2000 mm
  • NC centre lathes - max. ∅rotating above the bed 280 mm, rotating length 1000 mm
  • CNC turret lathes - ∅rotating above the 160 mm (firm Gildemaister)
  • horizontal milling machines - table working surface 300x1375mm
  • vertical milling machines - table working surface 1600x350 mm
  • milling machines - ∅ rotating 315 mm
  • surface grinding machine - table working surface 1000x400 mm
  • bench drilling machines - max. ∅drilling 20 mm, max. drilling depth 160 mm
  • broaching machine - max. groove width 25 mm, max. stroke length 1250 mm
   
• Gear wheels production
  • generating tool - able working surface from 420 mm up to 1350 mm, max. ∅wheel 1600 mm, max. wheel width 500 mm
  • cone shaping machines - max. ∅ wheel 200 mm, max. wheel width 40 mm
  • straight-bevel-gear generator - max. ∅ wheel 280 mm, max. wheel width 70mm
  • gearing grinder - max. ∅ wheel 630 mm, max. wheel width 150 mm, module 8
  • endless screw gearing - max. ∅ above the bed 240 mm, max milled length 600 mm, module 1.5 – 10
   
• Workshop where materials are parted
  • metal cutting saws - max. cutting ∅ 400 mm
  • saw for precise length and tapers with own feeding, max. sawed 300 mm (firm Kaltenbach)
  • band saws max ∅ 450, oblique cut max. profile 300 mm
  • table shears – max. length of cut 3000 mm, max. thickness of material 12 mm
  • burning automate CORTA - max. dimension 2000x2000 mm, material thickness 3 - 130 mm (firm Messer GRIESHEIM)
  • burning automate, max. burned dimension 2000x6000 mm, plasma – thickness 15 mm, steel – thickness 130 mm
   
• Welding possibilities
  • semiautomatic welding under atmosphere method MAG, through welding apparatuses LAX 380, LAN 400, LAR 500,LAY 500,WLSP 316 and MAGSTER 315
  • electric arc welding:Welding apparatuses:WTU 315,WTU 200, KM 350 and KS 350
  • gas metal active welding
  • welded Materials: cast iron, steel casting, carbon and stainless steel
  • certification of welders - Welding certificate according to EN 287-1
  • manufacturing authorization for welding steel constructions according DIN 18800-7, for steel S235, S275, S355, DIN EN 10025-2 and S690, DIN EN 10025-6