Min. Order: | 1 Set/Sets |
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Trade Term: | FOB,CFR,CIF |
Payment Terms: | L/C, T/T |
Place of Origin: | Shandong |
Location: | Jinan, Shandong, China (Mainland) |
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Business Type: | Manufacturer |
Means of Transport: | Ocean, Air, Land |
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Power: | Electronic |
Usage: | Wood Testing Instrument |
Brand Name: | wangtebei |
1. Brief introduction
This testing machine is to determing the apparent modulus of elasticity and bending strength of wood-based panels in flatwise bending.
2. Test
Principle: the modulus of elasticity in bending and bending strength are determined by applying a load to the center of a wood-based panel test piece supported at two points. The modulus of elasticity is calculated by using the slope of the linear region of the load-deflection curve. The bending strength of each wood-based panel test piece is calculated by determining the ratio of the bending moment, at the maximum load, to the moment of its full cross-section.
Arrangement of 3-point bending apparatus:
Note:
1) Two parallel, cylindrical, roller-bearing supports, of length exceeeding the width of the wood-based panel test piece and of (10±0.5)mm diameter for wood-based panels of nominal thickness ≤6mm and of diameter (15±0.5)mm for wood-based panels of nominal thickness > 6mm.
2) Cylindrical loading head, of the same length and (10±0.5)mm in diameter for wood-based panels of nominal thickness ≤6mm, and (30±0.5)mm in diameter for wood-based panels of nominal thickness > 6mm.
3. Technical parameter of testing machine
No. | Item | Spec. |
1 | Max. Load | 50KN |
2 | Resolution of test force | 1/±300000 |
3 | Resolution of displacement | 0.001mm |
4 | Precision of crossbeam displacement | ±0.5% |
5 | Precision of deformation | ±0.5% |
6 | Measuring range of test force | 1%-100%FS |
7 | Relative error of test force | ±1% |
8 | Relative error at zero point | ±0.5% |
9 | Speed of crossbeam | 0.01-500mm/min |
10 | Precision of crossbeam speed | ±1% |
11 | Speed range of load | 0.005%-5%FS/s |
12 | Precision of load speed | When speed is less than 0.05FS/s, precision is within ±1% of set value, when speed is more than 0.05FS/S, precision is within ±0.5% of set value |
13 | Speed of deformation | 0.005%-5%FS/s |
14 | Precision of deformation speed | When speed is less than 0.05FS/s, precision is within ±1% of set value, when speed is more than 0.05FS/S, precision is within ±0.5% of set value |
15 | Stroke of crossbeam | 800mm |
16 | Effective tensile height | 650mm |
17 | Effective test span | 400mm |
18 | Effective compression height | 700mm |
19 | Clamps for round specimen | Ø4-9mm |
20 | Clamps for flat specimen | 0-7mm |
21 | Diameter of compression platen | 100mm |
22 | Voltage and power | 220V±10%, 50Hz, 1KW |
23 | Dimension of main machine | 755X520X1780mm |
24 | Weight of main machine | about 400kg |