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How to Calculate Cold Press Machine Plywood Yield
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How to Calculate Cold Press Machine Plywood Yield

Views: 0     Author: SHANDONG MINGHUNG WOOD MACHINERY CO.,LTD     Publish Time: 2022-10-18      Origin: MINGHUNG PLYWOOD MACHINE

Plywood cold press productivity calculation


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How to Calculate Cold Press Machine Plywood Yield

Productivity Q=T*n*S*F*K/t

In the formula: 

T——shift working time (450minutes)

n——Number of plywood blanks pressed at one time  (n=200)

S——The thickness of a plywood slab (m) 3mm/5mm

F——Slab area (m2) 2500*1280/1890*975

K——Time utilization coefficient K=0.8~0.9   K=0.8

t——Pre-pressing cycle (including the time of entering and exiting the pre-pressing machine) (15minutes)

∴4’*8’:

Three-layer board: Q1=450*200*3*10-3*0.8*2.5*1.28/15=46.08m3/class

Five-layer board: Q2=450*200*5*10-3*0.8*2.5*1.28/15=76.80m3/class

3'*6':

Three-layer board: Q3=450*200*3*10-3*0.8*1.89*0.975/15=26.54m3/class

Five-layer board: Q4=450*200*5*10-3*0.8*1.89*0.975/15=44.23m3/class

Average productivity:

Qcp=100/(49/46.08+21/76.80+21/26.54+9/44.23)=42.89m3/class

Required number of units E=V/Q (units)

In the formula: 

V——the volume of the slab required to be pre-pressed in one shift (25.2149m3)

∴E=25.2149/42.89=0.588, take 1 unit


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