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dust free chalk boxing machine black board cylindrical chalk machines chalk square shape production line suppliers
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Product Description
Product Description
Dustless chalk is an improved product of ordinary chalk aimed at reducing the pollution of classroom chalk dust.
Adding grease or polyphenols as binders to ordinary chalk, and then we add fillers with a large specific gravity, such as clay, marl, cement, etc., which can increase the specific gravity and volume of chalk dust to reduce chalk dust.
Mixing machine
Extruding machine
1. The machine s a three-axis horizontal type, adopts stepless adiustment transmission, and can adjust the speed at any time
according to the needs of the product.
2. The extrusion part adopts the screw, the screw blade and the reverse screw groove device, and the hard alloy steel sheet is
welded at the wear point to prolong the use rate.
3. Contact with the chalk material for all stainless steel.
4. The chalk tube and vacuum chamber are driven on the machine, which is an oopen device, which is convenient for replacing
chalk materials and convenient decoration.
5. This machine can squeeze round and various types of chalk.
BELT Converyor
1. The whole machine is composed of high-strength alumium alloy structural beams, which are durable and non-deformable.
2.Belt running speed can be adjusted, easy to use.
3. The bilateral height is adjusted by handwheel, easy to adjust and use.
Cutter
The cutter is a stainless steel blade, and the ends of the chalk cut out are neat and the length is the same
Dryer machine
Final product
Technical information
Model No. | Capacity(pcs/h) | Packing size(mm) | Big head | Small head | Length | Weight |
FBJ800-2 | 8000-12000 | 1400×1150×760 | 10mm | 8mm | 75mm | 260kg |
FBJ800-4 | 12000-24000 | 1760×1150×760 | 10mm | 8mm | 75mm | 350kg |
FBJ800-6 | 24000-32000 | 1800×1150×800 | 10mm | 8mm | 75mm | 600kg |
Detailed Images
Features and advantages:
1). When we use chalk to write on the blackboard, we can’t see any dust. The dust-free chalk is so hygienic and clean that it can avoid occupational diseases caused by chalk bubbles entering the internal organs by breathing.
2). The dust of chalk will not be scattered on hands and clothes because of the addition of smoothing agents and binders, and we don’t need to wash our hands frequently.
3)A small amount of moisture-proofing agent is added to the dust-free chalk to ensure that long-term storage. However, ordinary chalk is easy to absorb moisture for a long time, the hardness is lowered, and the writing is easy to break.
4). Most of the blackboards used in schools are cement boards and wood boards. Due to the different smoothness of the surface of the blackboard, the degree of softness and hardness of the chalk is also different. The new generation of dust-free chalk has a pure white color and a high finish. It is fluent and labor-saving. It is easy to rub and has a beautiful appearance. It is suitable for all textures of the blackboard.
5)The dust-free chalk machine can also produce a variety of different colors of chalk according to customer needs, such as red, yellow, green, blue, pink and so on. It is stored for a long time with clear colors.
Introduction of Dustless Chalk Stick Making Machine
The calcium carbonate nondust chalk is the best chalk till now. There is not any dust
when you use it.It can be written on any material blackboard.The calcium carbonate chalk can be used twice long time than the traditional calcium chalk.
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