If you purchase a power assisted Electric Bicycle, the bicycle shop owner will definitely recommend a suitable size for you based on your height and configuration preferences. What size of electric scooter to choose? Height is an unavoidable factor. Although the saddle can be adjusted up and down, it depends on the size of the frame to a certain extent. In most cases, E Bike Shops will have a size that suits you. If you have special requirements for the size of Electric Bicycles, you can also submit your requirements to the bicycle shop owner. There are generally two sizes of bicycles in our home, one is suitable for 15 inches in height ranging from 160cm to 170cm, and the other is suitable for heights above 175cm. In addition to height, there are certain requirements for choosing a Lithium Battery Electric Bike based on the weight of the rider. You can communicate with the bicycle shop owner carefully according to your actual situation.The bicycle shop owner will definitely give you appropriate purchasing suggestions. Mid Drive Motor,Electric Bicycle Distance,Fast Cheap Electric Dirt Bike Ejoysport Technology (SuZhou)Co.,LTD , https://www.nbtoperiding.com
Vertical Spindle Surface Grinder With Rotary Table Features-M7475D /M7480A
Features:
This machine tool is available with vertical grinding head and round eletro-magnetic work bench using emery wheel tile end face to grind the planes of work pieces.
The grinding head spindle is equipped with high precision bearings, with big power and excellent rigidity.
The magnetic force of sucking disc is smooth and adjustable and can be demagnetized automatically.
The emery wheel and work bench are driven by separate motors. The machine down feed mechanism can be operated both manually and automatically with high reliability and convenient operation.
The column can be adjusted by three points.
This machine tool is suitable for the industries such as automobiles, tractor, bearing as well as machneries etc. For grinding the planes of lot-sized parts.
Parameter:
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Technical parameters:
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ITEM
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M7475D
M7480A
BENCH DIA
mm
Φ 750
Φ 800
GRINDING SIZE(DIA× H. MAX)
mm
Φ 750× 320
Φ 800× 320
MAX WEIGHT OF BEARING WORK PIECE
kg
460
500
EMERY WHEEL SIZE
(O. D× IN. D× H)mm
450× 380× 150
450× 380× 150
EMERY WHEEL SIZE
(L× W× THICKNESS)mm
WP
150× 80× 25WP
150× 80× 25
GRINDING HEAD MAIN SHAFT ROTATIONAL SPEED
rpm
980
980
BENCH ROTATIONAL SPEED
rpm
18; 24
18; 24
GRINDING HEAD VERTICAL SHIFTING DISTANCE
mm
390
390
BENCH SHIFITING DISTANCE
mm
400
400
GRINDING HEAD MOBILE FEED SPEED
mm/min
0.08-1.20
0.08-1.20
GRINDING HEAD MOTOR POWER AND SPEED
KW; rpm
30; 980
30; 980
MACHINE TOOL TOTAL POWER
KW
33.7
33.7
MACHINE WEIGHT
kg
6000
6500
MACHINE DIMENSIONS
(L× W× H)mm
2345× 1438× 2380
2345× 1518× 2380
PARALLELISM OF MACHINING SURFACE TO BASIC SURFACE
mm
0.01
0.01
ROUGHNESS OF MACHINING SURFACE
μ m
Ra1.25
Ra1.25
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ACCESSORIES
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LIFTING RING
Â
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BLADE FOR CUTTING EMERY
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SPANNER
Â
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BRUSHS CRAPER
Â
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MACHINE TOOL LEVELLING WEDGE
Â
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About  us:
1. Our factory is one of the earliest producer of cement packing machine and it is already over 30 years. After side suction two spouts type and four spouts type, we start to produce fluid double spouts packing machine. We import the advanced technology from German and develop six spouts and double spouts complete set of cement packing machine for proction line. The automatic degree of this machine is high; The balance is accurate; The thickness of powder is low and the technics flow is advanced.
2, The prodcution of our factory can be found all over the world.
If you want to get the price, please send us the detailed materials information, such as the hardness of raw materials, feeding size, you required output size, capacity and other special requirement. Our engineer will choose the optimum type and our salesman will send you the reasonable price. Thank you.