Grinding machine is a kind of equipment for the straight edge sharpening of the cutting blades of wood processing industry, paper industry, printing industry, wood crushing, plastic crushing, rubber industry, tanning industry, metallurgy rolling plate and other industries. It can also be used for grinding general metal. End use Sharpener features: 1. The design of the grinder body has changed from the original loose frame structure to a closed plate welded structure. Greatly improve the body's strength, increase, extend its life. 2. The transmission part changes the original belt transmission to the rack transmission, which overcomes the uneven placement of the walking speed and ensures the reliability and stability. 3. Grinder changed grinding a swinging angle of 30 ° to a swinging angle of greater than 90 ° to the original design, the upper and lower workpiece and the grinding wheel replacement is more convenient and faster. 4. For the collective welded steel plate metal materials, a full vibration aging treatment process is adopted, and the degree of natural deformation of the entire machine after processing is obviously eliminated. 5. When the grinding head is processed into the knife, the automatic feeding design is adopted to improve the degree of automation. Effectively save the manpower and time required for manual feeding, and improve the operator's labor. Different grinding machines also have their corresponding advantages and characteristics. According to the needs of the selection of straight knife sharpener and other sharpening tools. In addition, the company also has UV curing machine , automatic screen printing machine , small oven , automatic screen printing machine welcome to visit  For detailed inquiries, please contact the manufacturer directly: Baoding Rongda Electronic Equipment Co., Ltd. Address: 223 East Street, Qingyuan Centre, Baoding, Hebei Tel: 0312-7966103/8013598 Fax: 071100        Manager Jiang: 13903128027 (glass industry) Manager Wang: 18833252836 (woodworking industry) Manager Wen: 18833252830 (paper coding industry) Manager Liu: 15832203138 (paper coding industry) Address: 223 East Street , Qingyuan Center, Baoding, Hebei Province
The masonry bit is a variation of the Twist Drill Bit, the bulk of the Tool is a relatively soft steel, and is machined with a mill rather than ground. An insert of tungsten carbide is brazed into the steel to provide the cutting edges.
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Masonry bits typically are used with a Hammer Drill, which hammers the bit into the material being drilled as it rotates; the hammering breaks up the masonry at the Drill Bit tip, and the rotating flutes carry away the dust.
Hammer drill bits often use special shank shapes such as the SDS type, which allows the bit to slide within the chuck when hammering, without the whole heavy chuck executing the hammering motion.
Masonry bits of the style shown are commonly available in diameters from 3 mm to 40 mm. For larger diameters, core bits are used. Masonry bits up to 1,000 mm (39 in) long can be used with hand-portable power tools, and are very effective for installing wiring and plumbing in existing buildings.
