Technology

Innovative technology in mining tools production

Mining tools are designed to equip work elements of coal, ore and salt mining machines. Its durability is always an actual problem. Product costs, productivity of mining and tunneling machines depend on tool durability. Urgency of a tool durability issue increases together with striving for cutting speed improvement.

CROSS-WEDGE ROLLING TECHNOLOGY

The method of cross-wedge rolling allows producing articles from billets that have round, hexahedral or square section and also from tube. As a result of cross-wedge rolling initial profile is transformed into round profile.

INDUCTION HEATING

Induction heating is noncontact heating of conducting materials. Heating accuracy and max and min temperature maintenance especially important while machining the materials that have narrow forging temperature range and which are marked by...

CATALOGUE OF PRODUCTS RECEIVED BY CROSS WEDGE ROLLING

Our company is a developer of cross wedge rolling technological processes and wedge dies for 200 different parts. The experience we have makes it possible to: perform cross wedge rolling of parts with cylindrical, conical and spherical figure;perform...

MACROSCOPIC STRUCTURE

The changing of fibers form is typically for macrostructure. A new macrostructure is formed under cross wedge rolling: Fibers are continuous over billet;Fibers smoothly envelop protrusions and slots;Fibers are compressed to the surface. The...

WEDGE ROLLING EFFECT TO HIGH-CYCLE FATIGUE

The axle rolled parts of St35 (chemical composition C=0,32-0,4; Si=0,17-0,37; Mn=0,50-0,80; Si=0,04; P=0,035; Cr=0,25; Ni=0,30; As=0,08; N=0,008; Cu=0,30) steel were used for tests. The following samples of dimension 50*10*2,1mm were tested: 5 samples...

ROLLING MATERIAL

The experience we have allows us to roll workpieces of the following materials: Structural steel and steel with alloying elements up to 5%;Singular types of steel with alloying elements over 5%;aluminum;copper;zirconium;titanium;brass. The influence of...

TOOL DURABILITY

TOOL DURABILITY Tool durability depends on the accuracy requirement level to the rolled billets, deformation temperature and tool material. Besides the significant factor is an individuality of different companies in working rules. That is why tool...

ROLLED BILLET ACCURACY

Accuracy level achieved at usual conditions is illustrated on the picture below: Using the special-purpose tool and...

ROLLED BILLET SHAPE

long-edge profile of the part practically has no limitations in shape. It can include almost every composition of cylindrical, conical and spherical surfaces. There are examples of such combinations for a specific parts:
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