Have you heard the tires vukanisir?
Have you heard the tires Retreading (Vukanisir) ?
Today many manufacturers sprung up around the tire retreading
retreads dunia.Baik a small company to a solid teknologi.Kesemuanya
retreading company is the impact of the new tire price increases, while
the use of retread tires we could save about 50% expenditure -75%.
Do you know what tire retreading and how do I make it?
Retreading is a process in which the tire is worn refitted with new
flowers to be used again. In fact, retread tires have been around since
the existence itself. History of retreads in the beginning of World War
II when natural resources are scarce and rationing done. Civilians
skinning flower of vehicles damaged during the war and stuck it on the
tires they have to be used again.
There are many methods used to memvulkanisir tires, but Vulkunisir
Cold (Precure) and Heat Vulkunisir (Mould Cure) is the most commonly
performed by retread plants throughout the world.
1) Cold Retreading | Vulkanisir (Precured)
As intended by this term, the rubber used here printed flowers and flower rubber vulcanized by the manufacturer. Factory vulkansir choose appropriate flowers in a strip or a full circle of various designs, widths and thicknesses. In Precure retreading process, a layer of rubber adhesive pads placed between the flower and the body of the tire. Tread width is applied to the prepared directly and evenly. Tire retread then moved into the space (curing chamber).
As intended by this term, the rubber used here printed flowers and flower rubber vulcanized by the manufacturer. Factory vulkansir choose appropriate flowers in a strip or a full circle of various designs, widths and thicknesses. In Precure retreading process, a layer of rubber adhesive pads placed between the flower and the body of the tire. Tread width is applied to the prepared directly and evenly. Tire retread then moved into the space (curing chamber).
Curing is done at the time in the chamber is pressurized with heated
air produced by electricity, steam or hot liquids such as oil. Agency
prepared, with new rubber that is, placed in the room where the pressure
and temperature, which was applied to the exact duration of a layer of
vulcanized rubber pads and glue the flower onto the conveyor.
2) Hot Vulkanisir (Mould Cure)
Application and development on processing of hot cure retreading similar to the production of new tires.
By using various methods, it is not vulcanized rubber tread is applied to the crown of the body is wrapped (as well as in the case of retreading of lips-to-mouth, also the tires).
Application and development on processing of hot cure retreading similar to the production of new tires.
By using various methods, it is not vulcanized rubber tread is applied to the crown of the body is wrapped (as well as in the case of retreading of lips-to-mouth, also the tires).
Furthermore, the body of the tire is prepared, made with the appropriate diameter with a material that is not vulcanized rubber, ready to be forwarded to the mold for retreading process.
By the time mold is closed and the body of the tire inflated to
proper pressure, the expansion body of the tire in accordance with a
material that is not cured on the mold, to form a flower design. Heating
is then performed for a certain time to complete retread.
Retreading Industry
Radialisasi, quality improvement, a lack of understanding and
consolidation are some issues to be faced by the retreading industry in
the past 35 years have past. However, with advances in technology and
economies of scale, the retread industry has reached a level of quality
and sophistication that previously never existed in history, and today’s
factories into larger retreading previous
Retreads, which is a business with good prospects in the past, also
has a bright prospect. Agency for radial truck tires at this time is an
investment, and the only way to get profits is to do a retread.
Radialisasi, which has been underestimated vulkansir passenger vehicle
market, proved to be a boon to the truck tire market vulkansir
Truck tires are vulcanized representing savings of $ 2 million
dollars per year for owners of trucks and trucking companies in North
America. Similarly, in China, there is a very bright prospects for the
industry vulkanisirnya.
Association Tire Retread and Recycling of China have reported that in 2004, China produced 239 million tires and at the same time, producing 120 tires, the number expected to grow by 12%.
Association Tire Retread and Recycling of China have reported that in 2004, China produced 239 million tires and at the same time, producing 120 tires, the number expected to grow by 12%.
For most vehicle fleets, tires represent the third largest component
in the operating budget after labor and fuel. Cost per km as low as
possible is achieved from a good tire management program. This includes
the use of retread tires good quality. Retreading is the choice of
replacement tires for trucks and fleet owners who purchase more than 18
million tires retreaded each year in the United States and China.
Retread tires is not only cost effective but also reliable and safe.
Retread tires used by the owner of the truck with the schedule time of
delivery is assured, used on commercial aircraft and military jets and
most school bus operators. Environmentally friendly tire retreading.
Tyres are basically petrochemical products. To create a new truck tires,
it takes 22 gallons of oil. Most of the oil stored in the body of the
tire, which are reused in the retreading process. As a result, only 7
gallons of oil needed to produce a retread tire.
The retread tire makers, such as trucking companies, has made a
significant consolidation. Today, the makers of the most successful tire
retreading are those with high quality products, which provide the best
possible return with the existence of competition in the industry
vulkansir. The truck owners can expect to see continuous improvement in
terms of quality, durability and reliability, at a large tire supplier
vulkansir millions of dollars invested annually in research and
development. Indeed, the future of the industry vulkansir dependent on
the same principle that has enabled the existing retreading plant to
remain in business. Continuous attention to quality control, cost of
operation, and maintenance of equipment is the most important factor of
any successful factory.
Retreading Process
This system is similar to the technology of new tyre manufacturing.
All retreaded tyres are encouraged to be returned with the sidewalls painted using a light coat of black tyre paint.
Retreading Process
Each
tyre received in a retread plant is subjected to a rigorous visual
inspection. Inspectors are assisted by the use of non-destructive
sophisticated inspection equipment.
We also purchase a new machine (Inspection Spreader).This
Inspection Spreader designed to detect pinholes, nail holes, cuts,
cracks, porosity,etc,Automatic tyre rotation stop when penetration
detected with sparks.
The
tyre’s old tread is mechanically removed on high speed buffers.
Today’s buffers are extremely accurate and will remove the proper
amount of old rubber while turning the tyre to an exact specified
diameter and radius.
With
advances in state-of-the-art repair materials and repair methods,
many of these tyres can be routinely repaired and in most cases can be
retreaded when the original tread is worn off. The repair station is
where any surface injury is treated using effective material and tools
for grinding and patching.
Even
in small injuries it is critical that the injury is cleaned and
filled. If this is not done, severe rust, separation and steel cable
looseness could take tyre out of service. The injury should be
inspected, and then cleaned out with a carbide cutter. After cementing
the injury, a vulcanizing rubber stem should be applied to “fill” the
injury. This would create a permanent repair that maximizes tyre life.
In
the pre-cure system, the tread rubber has already been vulcanized
with the new tread pattern design. The buffed tyre needs a thin layer
of cushion gum to be wrapped around its crown area. The pre-cured
tread rubber is then applied with the building machine. This is called
the building process.
a) The built tyres are then mounted with envelops and rims to prepare them for curing.
b)
For enveloping, tyres are first fitted an outer envelope at the
envelope-mounting table before the inner envelope is fitted into them.
The enveloped tyres are then vacuumed out for preparation prior to
curing. Modern plants have their casings hoisted by monorail systems.
The
Precure Tread system is a process by which a tread pattern is fully
cured or vulcanized into the tread by using a press. The tread is then
vulcanized onto a tire casing using a bonding layer of uncured
natural rubber. The tyre is vulcanized with heat, time and pressure in
a curing chamber that bonds the tread to the casing. This thin layer
called precure cushion or bonding gum. Cold retreading was then a term
used to describe a process in which the final curing of retread is
done at temperature lower than 115c.
Hot Process (Hotcure)
Hot retreading is the term used to
describe the retreading process in which the curing of retread is done
at a temperature of above 140c. It employs a steel or aluminum mold
with a tread design cast or machined into it.
Final Inspection (Presure Test) & Painting
- Tyre inflation pre-set at 2, 4 & 8 bar (max) for a better QC inspection.
- Enclosed by steel cage as safety protection.
- Testing cycle ended automatically to reduce supervision work.
- Well lighted within the cage for better visual inspection.
All retreaded tyres are encouraged to be returned with the sidewalls painted using a light coat of black tyre paint.
4 komentar
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