Eyelet machine, Eyelet Machine,Eyeleting Machine,Hangtag Eyeleting Machine,Shopping Bag Eyelet Machine DongGuan FeiYang Packaging Machinery Equipment Co., Ltd , https://www.feiyang-machinery.com
This machine is used for punching,binding and riveting the eyelets on the papers in one operation with the eyelets feeding automatically in high efficiency.Once riveted, the eyelets will not easily broken off and are looking nice and smooth on the products without any scratches.
The eyelet machines are widely used for paper bags, paper boxes, cartons, archive bags, document bags, secret documents, files, certificates, cards, hangtags,box seal and so on.
Features,
1.The machine can automatically punch or continuously punch and rivet eyelets.
The punching and eyeletting can be finsished in one operation.
2.adjust hole distance freely according to the requirement.
3.The riveted shoes holes are are neat, beautiful and ametabolic with no scratches.
4.Easy operation and reliable performance.
5.The efficiency is 8-15 times than manual operation.
Classification of mining explosives and the basic requirements that should be met?
According to the composition of explosives, the classification of mine explosives in China is as follows:
The basic requirements are:
First, the explosion performance is good, there is enough blasting power;
Second, the sensitivity is appropriate, can be detonated with detonators, safe and reliable when used;
Third, it is non-toxic to the human body, and there are few toxic and harmful gases generated after the explosion;
4. It is not easy to deteriorate and fail during certain storage periods;
5. The raw materials are abundant, the processing is simple and easy, and the cost is low.
At present, most of the mine production is ammonium ladder explosives. Ammonium-based explosives, ammonium pine wax explosives, etc. are all based on ammonium nitrate. Glue explosives based on nitroglycerin are also used more.