Home>Bearing knowledge>Professor's detailed theory: “Common equipment” for bearing ring casting

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Professor's detailed theory: "General equipment" for bearing ring casting

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1. The expansion machine has some operations (pressing wheel, cylinder, rolling roller), some control (signal roller, air valve, control system, etc.), body composition. The ring blank is placed on the rolling roller during operation. The rotating roller is pressed against the ring blank under the effect of the cylinder pressure; the ring blank is deformed after the ring blank is touched; the ring blank and the rolling roller are rotated under the effect of the friction; the ring blank is tightened and the wall thickness is reduced. The ┐螅 ┐螅 被 被 恢 恢 恢 恢 恢 恢 恢 恢 恢 恢 恢 恢 恢 恢 恢 恢 恢 恢 恢 恢 恢 恢 恢 恢 恢 恢 恢 恢Mushroom figure 瞥觯 瓿 瓿 兹 Φ Φ 恼 恼 恼 恼 恼 恼
2. Crank press The crank press mainly consists of working organization (composed of crank, connecting rod and slider), transmission system (motor, pulley, transmission shaft, etc.) and fuselage; the motor rotates the crankshaft through the pulley; crankshaft The crank is moved up and down through the connecting rod and the slider; then the work is performed.
The crank press is suitable for stamping of sheet metal parts, die forging of ferrule forgings (especially production line).
3. The heating of the casting furnace has great influence on the connotation quality, data utilization rate, production power, energy consumption, working conditions, labor intensity and environmental protection of the forgings. The quality of the heating is good or not; depending on the layout of the heating equipment And the variety of fuel. At present, the domestic heating furnace can be divided into coal stove, oil stove, gas stove and electric furnace according to the fuel type; the forgings produced by the coal stove account for half of the total output value; the electric furnace is less than 10%.
.1) There are many ways to arrange gas stove gas stoves; most of the commonly used small and medium-sized gas stoves are mobile type exhaust fumes. The incineration process is that the gas and air are well mixed in the incineration equipment; Incineration; the smoke from the incineration is discharged upward from the flue adjacent to the discharge.
It has a series of advantages such as high thermal power, simple furnace type, convenient operation and good sanitary conditions.
.2) The semi-gas furnace coal is incompletely incinerated in a semi-gas explosion furnace (incompletely incinerated product containing hot gas and coal fractions) is sent from the gas incineration port to the heating chamber; air is mixed with it during the feeding process. Incinerate.
Its layout is simple; the thermal power is higher than that of the reverberatory furnace; the working condition is much better than that of the reverberatory furnace; but the quality of coal is high; it is not suitable for coal that is easy to slagging.
.3) Induction furnaces have better working conditions and sanitary conditions than coal stoves; heating speed is fast; quality is good.
At present, coal stoves are the most widely used; especially small and medium-sized plants; because of low cost; but poor working conditions; low thermal power; therefore, many factories have improved their layout; such as horizontal reciprocating furnaces, etc. More; has high heat power, fast heating, environmental protection and other advantages; but equipment investment is large. Gas furnace heating is also better than coal stove heating labor conditions; environmental protection and other strengths; but the gas station construction one-time investment.
4, air hammer air hammer from the operation (piston, hammer and anvil), power transmission (motor, pulley, crank shaft, etc.), some operations and the fuselage (tightening cylinder, working cylinder, column and base) The rotary motion of the crankshaft causes the air in the compacting cylinder to be contracted or inflated; the air passes through the air passage communicating between the working cylinder and the compacting cylinder and the valve for controlling the airway; entering the upper or lower chamber of the working cylinder; Control the movement of the hammer.
Air hammer is used to produce bearing ring forgings; mainly for small batch and larger ferrule forgings; free forging and hammer forging; large noise during operation.

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