HZ-FR Bronze wire mesh PTFE soft belt bearing

Application scope

At present, it is widely used in textile machines, spherical bearings, automobile door hinge and so on.

Technical Date

Technical svpport

Bearing Selection

HZ bush have developed kinds of bearing material according to difference work condition, the user can select the material base on bearing work environment, load, speed, wear, resistance request, moving method, installation, the cost of the material etc.

Bearing Load

Cylindrical bushes、flange bushes / Thrust Washer

As the factor of clearance, bushes chamfer, oil groove etc. The actually load (Pact) is higher than theory of calculation(Pmean).

Velocity

Rotating motion / Oscillating motion / Reciprocating motion

PV=PXV (N/mm2xm/s)

PV is the product ot the specific bearing load p and the sliding speed V which is very important design data. We recommend design lower PV value will lead to longer serive life. Also don't exceed the max. of material load, speed, temp. And lower if possible.

The Installation of The Sliding Bushing And The Housing

HZ bushes should de cleaned in kerosene or diesel oil fist, immersed in engine oil and then dried up. When the bush is installed into housing, make sure the bush not rotating in the housing or moving in the axial direction and at the same time make the outer surface surface fully contact to the base hole, generally guarantee the contact area over 7o%, thus to improve load capacity and transmission of friction heat. The inner surface of HZ bush is made of self-lubricating plastic, the outer surface steel backing, The friction coefficient of steel to steel is bigger that of steel to plastic, So we should choose the light-graded tight fit, preventing the axle sleeve from moving in the base when working, and also preventing the inner holes from getting deformed and too big because of the large tight fit of the outer diameter.

Out circle of the axle sleeve should be avoided in the high-pressure working conditions.Two methods are recommended here:

1. Increase the outer diameter of the axle sleeve, and the deformation of inner holes can be calibrated with calibrating core stick.

2. When installing, apply ZY 801 Oxygen-hatred glue in the housing to strengthen the combination strength between the axle sleeve and base hole.

For bush(outer diameter<55mm),p ress the bush into the housing gently and carefully using an core axle with a handle.FigA.

For bush (outer diameter>55mm), press the bush into the housing gently and carefully using a handle with a shoulder, an “O” ring and an assisting circle.Fig B.