Tyre Retread Machine/Tyre Retread Equipment

The Melion Tyre Retreading Process includes:

Collection of Casings
Initial Inspection
Buffing
Section Repairs & Skiving
Cementing & Filling
Building - Tread Rubber
a. Enveloping & Rim Mounting or b. Double Envelope System
Curing by Chamber
Final Inspection & Painting


1. Collection of Casings
Worn tyres are collected to select suitable casings for tyre retread.

2. Initial Inspection
Each tyre received in a retread plant is subjected to a rigorous visual inspection. Inspectors are assisted by the use of non-destructive sophisticated MELION inspection machine.

3. Buffing After inspection
The tyre's old tread is mechanically removed on high speed buffers. MELION'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.

4. Section Repairs & Skiving
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.

5. Cementing and Filling
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.

With MELION designed-and-built spray booth, your cementing operation can be executed in a clean, efficient & environmentally responsible manner.

6. Building - Tread Rubber
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.

7.a) Enveloping & Rim Mounting  
The built tyres are then mounted with envelops and rims to prepare them for curing.
   b) or Double Envelope System
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. With professional planning from MELION engineers, you can be assured of workstations designed to maximize output and ease workflow.

8. Curing by Chamber
The tyre is then placed in a curing chamber and the pre-cured tread becomes adhered to the tyre through a vulcanizing process.

Our wide engineering capabilities and experience enable MELION to build chambers to suit our clients' different preferences for size, steam heated, electric heated, or double heating system, semi-automatic and automatic chambers.

9. Final Inspection & Painting
The retreaded tyre is subjected to a final inspection. This inspection insures that only tyres that meet industry quality standards are allowed to leave the retread plant. All retreaded tyres are encouraged to be returned with the sidewalls painted using a light coat of black tyre paint.

The above is the whole process flow of MELION Tyre Retreading Equipment,should you have any question or inquiry regarding our products and company,please feel free to contact us.We promise to offer you our best service with best quality products.


Configuration of Tire Retreading Production Line
1.Curing Chamber
Name
Size(Diameter*length)
Quantity of tire

DN1500*1500
4 tires

DN1500*2000
6 tires

DN1500*3000
8 tires

DN1500*3500
10 tires

DN1500*4000
12 tires

DN1500*5000
16 tires
Function
The tyre is then placed in a curing chamber and the pre-cured tread becomes adhered to the tyre through a vulcanizing process.
Power
30kw-90kw
Heating Method
Electrical heating, thermal oil heating, steam heating
2.Inflatable Tire Buffing Machine
Name
Inflatable Contouring Grinding Machine/Buffing Machine
model
FXM-C
Scope of Application
15",16",20",22.5"
Dimension
1920x2150x1850
Weight
1550KG
Technical parameter
(1) grinding head motor power: 11KW
(2) Rotation tire matching power: 2.2kw
(3) Left-to-Right Limits Control Motor Power: 0.55KW
(4) ront-to-Rear Limits Control Motor Power: 0.37KW
Function
(1) For tire tread surface radian grinding
(2) Engineered with tire shoulder side Buffer and tire explosion-proof function

3. Tread Building Machine
Name
Inflatable Tread Press/Tread Building Machine
model
TBM-22.5
Scope of Application
15",16",20",22.5"
Dimension
1770x2000x2010mm
Weight
900KG
Technical parameter
(1) Working Pressure: 0.6Mpa
(2) Inflation Pressure: 0.15Mpa
(3) Roller Motor Power: RV63-0.55KW
(4) Chuck Plate Type: 15,16,20,22.5
Function
(1) To press the new tread applied on old casing
(2)mainly consists of Frame, Tread Press Motor, Tire Ejecting Motor, Air Cylinders, Pneumatic Components, Vacuum Chuck Plate and Electric Control Panel.
4.Envelope disassembly machine
name
Envelope disassembly machine
model
LJJ-A
specification
15",16",20",22.5"
Outline size
2.2x1.5x1.6M
weight
350KG
Function
For envelope disassembly before and after tire vulcanization, applicable to many kinds of tire
5. Rim Dismounting Machine
Name
Rim Dismounting Machine
model
JZJ-22.5
specification
15",16",20", 22.5"
Outline size
1.5x1.3x0.8M
Weight
100KG
Function
For disassembling of rim

6.Outer Envelope Mounting Machine
name
Outer Enveloper
model
BZJ-22.5
specification
15",16",20",22.5"
Outline size
2.2x1.5x1.6M
weight
350KG
Function
For envelope disassembly before and after tire vulcanization, applicable to many kinds of tire