MOTOR JIKOV GROUP
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The Iron Foundry Division is a modern operation using advanced technologies to produce ductile and grey iron castings. The production process is controlled according to international quality standards. Important part of production is intended for the international automotive industry.

Certification

The Iron Foundry Division is certified according to EN ISO 9001:2008 and ISO TS 16949:2009 for the automotive industry.

Downloads
MJSL certificate – EN ISO 9001 : 2008
MJSL certificate – ISO TS 16949 : 2009

Technology

Melting/ Melting shop

Two EGES 3 MW medium frequency induction MELT & HOLD melting furnaces (volume 2 x 4 tons, melting output of 6.1 tons per hour).
Material charging is secured using a vibration cart common for both furnaces.

Moulding

Frameless moulding line DISAMATIC 2013 LP/PLC-B, vertical parting line, size of sand moulds 535 x 650 x 120–360 mm.
Technical capacity up to 300 moulds per hour based on the type of casting and presence of cores; sand mixture is prepared in 2 mixers with a capacity of 1–1.2 tons, reversible sand cooling is used.
DISA DTC-2 blasting machine with polygonal drum.

Production of cores

4 Schalco (hot box) machines (we purchase the core mixture).

Cast materials

EN GJL 150, EN GJL 200, EN GJL 250, EN GJL 300
EN GJS 400-12, EN GJS 500-7, EN GJS 600-3, EN GJS 700-2
Optimum weight of castings is 0.5 – 20 kg. Maximum casting size is limited by mould dimensions.

Technical specifications for cooperation

Data processing: 3D documentation.
Pattern shop: Drawing documentation, production of epoxy and metal patterns (core boxes) based on the provided standard or 3D data.
Pattern production: Mostly outsourced, MOTOR JIKOV Slévárna takes care of layout and gating system, inlet simulation outsourced if required.

Quality control of material according to the process flow

An optical emission spectrometer Q4 TASSMAN from Bruker-Elemental is used directly at the smelting furnace where chemical analysis of each smelting process is carried out. Samples are subsequently taken from each smelting procedure according to internal procedures or according to customer requirements, where sampling castings are tested in the laboratory for metallurgical and mechanical properties.

Capabilities and laboratory equipment

Chemical analysis:
optical emission spectrometer SPECTROMAX, SPECTRO A.I. Kleve.
Metallographic examination / macrostructure and microstructure of the material: grinding preparation for the semi-automatic Buehler grinder/polisher.
Inverted metallographic microscope
NIKON ECLIPSE MA100 (50x – 500x),
NEOPHOT 32, Carl Zeiss (50x – 1000x).
Possibility of evaluating the structure using image analysis with NIS-Eements.
Mechanical tests:
Hardness test according to BRINELL, ROCKWELL, WICKERS
hardness tester KB Prüftechnik / 4,903 -2451 N
hardness tester BRINELL WPM Leipzig / 7355 N
hardness tester ROCKWELL Škoda Plzeň / 98,7 N – 1839 N
hardness tester WICKERS ZWICK / 1,961 N – 98,07 N
Tension test:
pulling machine EDZ 20, VEB WPM Leipzig. / 200 kN.

Heat treatment shop

Machinery Equipment: Multipurpose SOLO line with protective atmosphere
Batch dimensions: 400 x 400 x 600 mm, weight max.110 kg
Trolley baking chamber furnace annealing (without protective atmosphere)
Trolley dimensions: 1700 x 880 x 850 mm, weight 1000 kg
induction hardening
Heat treatment technology
Soft annealing, Stress relief annealing, Hardening to 930C, Tempering, Cementing to 1,4mm, Nitrocementing, VF hardening to a diameter of 55mm
Quality Assurance
Checking surface hardness, hardness during grinding, the depth of hardened layer in the laboratory.
Possibility of issuing certification number ČSN EN ISO 10204

Products

Cardan coupling castings
Industrial gear box components
Passenger car stabiliser brackets
Crane system castings
Axle parts for industrial vehicles, steering elements, brake drums
Specific castings (bodies, flanges, bosses, holders)

Top customers

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