Product Description
Putty Machine For Plywood Making Line
The advantages of this device lie in the following aspects: 1. At once, the scraper material can be scraped on both sides, allowing for free selection, with good flatness, full putty, and no gaps.
2. High work efficiency. This device can be processed within 5 seconds. The poplar multi-layer board putty scraper can produce up to 800 sheets per hour, greatly saving a lot of labor. Each device has 8 hours of work per day, which is equivalent to 160 manual labor.
3. This equipment is mainly designed for processing various objects such as blockboard, blockboard core, finger joint board, multi-layer board, building formwork, and others. This equipment has been proven to have stable performance through more than 10 years of practice, and can process and produce 30 million sheet metal workpieces.
Product Parameters
| Putty Machine For Plywood Making Line | ||||
|
Nominal pressure |
800T |
Size of hot platens |
1370×2700×50 |
Allowed pressure
≤25 |
|
Direction of boards in |
transverse |
Dimension of whole machines |
3700*1370*5200mm |
Main steel plate
30mm*4 |
|
Layers |
20 |
Weight of whole machine |
约52T |
Controlling methods
Automatic pump station |
|
Quantity of hot platens |
21 |
Power of low pressure pump |
22KW |
Ancillary equipment
Table lifter, dust removal, automatic loading trolley |
Products Description
Packaging & Shipping
Company Information
Plywood Production Technology:
1) Log cutting:
Usually import log length is more than 6 meters. Cutting according to the technology required length and quality. The cutting length should be product length add remains. For example, product is 1220mm*2440mm, cutting length usually be 2600mm or 1300mm.log length, camber and demerit affect plywood output directly. Remains are small wood pieces, truncations, sawdust, tec. Log cutting wastage ratio is 3%-10%.
2)Veneer peeling:
Peeling is the most popular plywood producing process. Back veneer thickness is about 0.6mm, core veneer and centre veneer thickness is about 1.8mm.
3) Drying:
Veneer is moist. it should be dried according to the technology requirement. After drying, it will shrink. Dimension will become smaller. Veneer length, width, thicknesswill shrink. Shrink wastage is related to wood material, moisture containing, veneer thickness. Shrink wastage is 4%-10%.
4) Veneer gluing and handling:
Handling include cutting, putting veneer together and mending. Cut zonal veneer into specification veneer or proper size which can be put together. Narrow zonal veneer can be put together into one veneer. Veneer with demerit can be mended to be qualified.Wastage in this part related to log material, peeled veneer quality, dried quality, and worker operation skill. Wastage ratio is 4%-16%. Import veneer processing plywood wastage ratio is 2%-11%.
5) Cold and Hot press:
Veneer be glued and stacked, then glue together under set temperature and pressure by hot press. As veneer temperature and moisture containing changes, veneer will shrink. Shrink wastage is related to temperature, pressure, hot press time, wood material, moisture containing,wastage ratio is 3%-8%
6) Edge trimming:
Trimming the edge of the plywood flank from hot press to qualified plywood board. Remains related to process remains and product dimension. Production is bigger, wastage is smaller.Wastage ratio is 6%-9%.
7) Sanding:
Sanding plywood surface to make it good. Wastage is powder. Veneer quality is good, sanding is less. Wastage ratio is 2%-6%.
Other machines
We can also provide other machines, just like veneer jointer machine, knife grinder and so on.
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