Manufacture of conveyor belts. (1986)

Documentary №51561, 2 parts, duration: 0:19:51
Production: Centrnauchfilm (CNF)
Director:Belov N.
Screenwriters:Kozhuhova A.
Camera operators:Ocup B.

Annotation:

The film shows the manufacturing processes of rubber and rubber bands.

Reel №1

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The conveyor delivers the rock from the quarry to the processing plant.

A special belt for transporting watermelons.

The tape is in an automated production system.

The conveyor belt is a flexible element of the conveying system.

A cartoon explaining the operation of the conveying unit.

The main components of conveyor belts are the core, which perceives the traction forces and rubber linings of the working and non-working sides.

The plates protect the core from the effects of aggressive environments of air and water.

The core or traction frame is assembled from steel cables on rubber-wire belts.

Tapes, depending on the operating conditions, are made of various types and two types of general and special purpose.

"M" - frost-resistant.

"T" - heat resistant.

"PT" - increased heat resistance.

"P" - food and others.

Non-combustible tapes have a frame of layered duplicated anide fabrics.

Rubber fire resistance test.

Testing of frost-resistant rubber.

The main technological requirements for conveyor belts.

The technology of manufacturing rubber bands consists of assembling cores, melting them with a rubber mixture and vulcanization.

A cartoon explaining the process.

In the manufacture of conveyor belts made of synthetic fibers, the technology changes.

The fabric is pre-impregnated, which is necessary to increase the adhesion strength of the rubber mixture with the fabric.

After the drying cabinet, the tape rolls into a roll.

Cartoon explaining the application of a rubber layer on the tape.

The operation of the unit for rubberizing the tape.

The control panel.

The rubberized fabric is wound into a roll and fed for duplication.

Core assembly.

Assembly of the traction frame.

Key words

Types of conveyor belt.
The composition of the conveyor belt.
Conveyor belt production technology.

Reel №2

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Production of traction frame.

Lining the frame with a rubber compound.

Three-roll calender.

Central control panel.

Cooling conveyor and rolling device.

Rubber bands are vulcanized in hydraulic presses.

The vulcanization mode depends on the formulation of the rubber compound and the thickness of the conveyor belt.

A cartoon explaining the vulcanization process.

The finished tapes are rolled into rolls and sent to the warehouse.

Rubber-wire belts are used in high-capacity conveyors, for example, when transporting rock in quarries.

Testing of cables for strength.

Production of plates from a rubber compound.

Spools with a latuned steel cable.

Three-storey shpulyarnik with cables.

From the spool, the cables are stretched into the compensator.

The compensator ensures the tension of each cable.

The tension station provides constant tension of the cables for the entire time of lining the frame with a rubber compound.

The lining is carried out on both sides.

Rubber bands are vulcanized in a hydraulic press.

For the convenience of transportation, the tape is cut in width.

The continuous production process of the tape is ensured by the constant build-up of the cable.

Automated rubber-wire line for the production of handrails for escalators.

A mold for vulcanizing handrail belts.

A slice of the received tape.

The finished tapes are wound on the drum.

By changing the molds, you can get tapes with different profiles and patterns.

Alternating frames with conveyor belt profiles.

Development of new rubber compounds.

Alternating frames with different conveyor belts.

Key words

Rubber bands.
Rubber bands.
Ribbons-handrails.

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