second, cement mortar test mold use: 4*4*16 is specially used for making cement soft training flexural test blocks.
3. Technical specifications of cement mortar test:
1. Specification of forming test block (length× width× height) 16× 4× 4mm
2. Inner cavity size: 16mm； long; Width 4+.5 (-.1) mm;
the height is 4+.1mm
the diagonal length difference is not more than .3mm
3. The net weight of the trial mold is 6.5kg
4. The overall dimension (length× width× height) is 245×165×6mm
4. Construction and use:
This model is a detachable triple trial mold. The base 7 is made of cast iron, its upper and lower surfaces are planed, and the upper plane is equipped with two positioning pins 5. Both the end plate 4 and the partition plate 6 are made of flat steel, and all the planes forming the mold cavity are polished. The pressing block 3 and the pressing screw 2 are riveted into a whole, and together with the pin shaft 1 form a pressing device for pressing or loosening the end plate, which is convenient for quick loading and unloading.
When assembling the mold, it should be noted that the lower plane of the end plate and partition plate must be close to the upper plane of the base, and it is not allowed to tilt. If necessary, the upper plane of each plate can be tapped with a wooden hammer while pressing the model to make it close to the base.
Before each mold installation, it is necessary to coat a thin layer of engine oil on the surfaces of the other parts that make up the mold cavity, and then make the clapboard and the locating pin abut against each other to prevent the mold cavity from being skewed.
after demoulding every time, the remaining materials on the surface of each other should be wiped off immediately and oiled for rust prevention.