

Overview
About HS, a.s
Who we are
We are a private company with global presence headquartered in the Slovak Republic and established in 1954. We develop and manufacture a wide range of gearboxes, axles, differentials and drive components. Our products are most frequently used in construction, agricultural and communal equipment and in industrial and renewable energy applications. Our other primary focus is on the design and development of transmissions, gears and drives in addition to the development of products meeting the highest demands on quality. Our R&D Department continuously works on increasing the efficiency and lifespan of our products and on the development of new products adapted to the needs of our customers. HS makes significant investments into research and development on an annual basis as well as additional investments into production equipment and increasing quality. Number of manufacturing facilities: 1 Surface area: 20,000 m2 Total site area: 40,000 m2 Number of employees: 200 Investments 2005-2011: €9.55 million R&D investments: 5% of turnover
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Hriňová, Slovakia
Member since 2019
Employees100 - 200
Certificates1
Turnover10 - 20 Mil.
Year of foundation1954
Competencies
Technologies
Gear Making
| Technologies | Lotsize | Length | Width | Height | Diameter | Weight |
|---|---|---|---|---|---|---|
Cylindrical gear / spur gear | 100–1 M | 10–1,200 mm | — | — | 50–400 mm | — |
Internal teeth | 100–1 M | 5–300 mm | — | — | 50–700 mm | 0–400 kg |
Bevel gear wheel | 100–1 M | 10–200 mm | — | — | 50–400 mm | 0–150 kg |
Sprocket (wheel) | 100–1 M | 10–800 mm | — | — | 50–800 mm | 0–300 kg |
Cogged belt pulley | 100–1 M | 20–200 mm | — | — | 50–400 mm | 0–150 kg |
Rack (toothed) | 100–1 M | 300–2,000 mm | 50–300 mm | 50–300 mm | 70–150 mm | 0–500 kg |
Mechanical Engineering
| Technologies | Lotsize | Length | Width | Height | Weight |
|---|---|---|---|---|---|
Mechanical engineering | 50–1 M | 100–800 mm | 100–800 mm | 100–800 mm | 0–1,000 kg |
Apparatus engineering | 50–500 k | 100–800 mm | 100–800 mm | 100–800 mm | 0–1,000 kg |
Turning
| Technologies | Lotsize | Length | Diameter | Weight |
|---|---|---|---|---|
Turning | 100–10,000 | 10–800 mm | 10–800 mm | — |
Automatic turning (bar) | 200–10,000 | 50–300 mm | 20–60 mm | — |
Full-range turning (including milling) | 100–10,000 | 10–800 mm | 10–700 mm | — |
Hard turning | 100–10,000 | 10–800 mm | 10–300 mm | — |
Broaching | 100–10,000 | 10–200 mm | 20–150 mm | — |
Shaft machining | 100–10,000 | 10–800 mm | 10–800 mm | 0–300 kg |
Milling
| Technologies | Lotsize | Length | Width | Height |
|---|---|---|---|---|
Milling | 50–10,000 | 100–800 mm | 100–800 mm | 100–800 mm |
5-axis milling machines | 50–10,000 | 200–800 mm | 200–800 mm | 200–800 mm |
Welding
| Technologies | Lotsize | Length | Width | Height | Weight |
|---|---|---|---|---|---|
Robot welding | 500–20,000 | 50–800 mm | 20–120 mm | 20–120 mm | 0–100 kg |
Materials
Heavy metals
Copper-zinc alloys (brass)Copper and copper alloysZinc and zinc alloysSolder
Steel
Structural steelCase hardening/tempering steelStainless steel (rust-proof V2A)Stainless steel (rust-proof V4A)Free-cutting/mild steelTool steelSpring steelCold extruding steel
Light metals
Aluminium and aluminium alloysMagnesium and magnesium alloysTitanium and titanium alloys
Cast metals
Cast steelCast iron
Industries
Drive and gear engineering
Certificates
ISO 9001:2015
Parts & Machines
Parts (6)
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shaft
TechnologyShaft machining
MaterialCase hardening/tempering steel
Dimensions
Weight5 mm
Diameter80 mm
Length300 mm
Lotsize200
ComplexityLow
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spur gear
TechnologyCylindrical gear / spur gear
MaterialCase hardening/tempering steel
Lotsize0
IndustriesDrive and gear engineering
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gearbox
TechnologyMechanical engineering
MaterialCast iron
Dimensions
Weight200 mm
Width300 mm
Length500 mm
Height400 mm
Lotsize50
ComplexityMedium
IndustriesDrive and gear engineering
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planetary gearbox
TechnologyMechanical engineering
Dimensions
Length500 mm
Weight300 mm
Width500 mm
Height500 mm
Lotsize0
ComplexityMedium
IndustriesDrive and gear engineering
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planetary carrier
Technology5-axis milling machines
MaterialCast iron
Lotsize0
ComplexityLow
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axle drives
Technology5-axis milling machines
MaterialCase hardening/tempering steel
Lotsize20
ComplexityMedium
Machinery (6)
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Gleason 300TWG
ManufacturerGleason Pfauter
ControlSinumeric
Year of Construction2010
Technology
Cylindrical gear / spur gear
2 / 6

Richardon 300 400
ManufacturerRichardon
ControlSinumeric
Year of Construction2004
Technology
Cylindrical gear / spur gear
3 / 6

Reishauer RZ400
ManufacturerReishauer
ControlSinumeric
Year of Construction2001
Technology
Cylindrical gear / spur gear
4 / 6

Mazak HCN 6800
ManufacturerYazaki Mazak
ControlMazatrok
Year of Construction2016
Technology
5-axis milling machinesMilling
5 / 6

Liebher LFS380
ManufacturerLiebherr
ControlSinumeric
Year of Construction2007
Technology
Internal teeth
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HAAS SL30/40/Doosan PUMA
ManufacturerHAAS / Doosan
ControlFanuc
Year of Construction2006
Technology
TurningHard turningFull-range turning (including milling)Automatic turning (bar)Shaft machining
6 Parts
Shaft machining1
Cylindrical gear / spur gear1
Mechanical engineering2
5-axis milling machines2
6 Machinery
Cylindrical gear / spur gear3
5-axis milling machines1
Milling1
Internal teeth1
Turning1
Hard turning1
Full-range turning (including milling)1
Automatic turning (bar)1
Shaft machining1
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