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FAQ
- How to determine the mounting position of the guide bracket?
- Determine the mounting position of the guide bracket:1, no rail support, pre buried iron elevator shaft lining, according to the requirements of the drawing guide bracket spacing, size and installation of the rail support vertical to determine the location of the guide rail in the wall.2, when the drawing does not specify the next row guide rail bracket and the top row of the rail bracket position should be determined according to the following provisions: the next row guide bracket is arranged at the position corresponding to the pit decoration above the ground 1000mm. The top row of racks shall be installed below the roof of the hoistway, no more than 500 m M.3, in determining the position of the guide bracket at the same time, but also consider the rail connection plate (link plate) and a guide rail bracket cannot collide. Staggered net distance is not less than 30m M.4, if the drawings are not clearly defined, the lower level rail support shall be taken as the basic point, and every row of the rail bracket at the top of every 2000mm. Elsewhere (in case of said plate) spacing can be properly enlarged, but should not be greater than 2500mm.5, longer than 4m (including 4m) car rails, each should have at least two rail brackets. 4m to 3m long car rail is not subject to this limit, but the spacing between the guide brackets shall not be greater than 2m. If the manufacturer's drawings are required, they shall be constructed according to their requirements.
- What are the good brands in Germany of linear guide and screw?
- Upstairs is quite right. Imported brands are mainly Japanese and german.
- What is the difference between NC milling machine and linear guide rail and dovetail guide rail? Which one is good? How to choose?.
- The difference between milling machine linear guide and dovetail guide rail:1 、 linear guide rail is rolling guide, point contact, poor rigidity. The running friction is small and the dynamic performance is relatively good.2, dovetail guide rail is sliding, surface contact, good rigidity. The running friction is large and the dynamic performance is relatively poor.Milling machine (millingmachine) mainly refers to the use of milling cutter on the workpiece processing a variety of surface of the machine. In general, the movement of the milling cutter is mainly motion, and the movement of the workpiece (and) the milling cutter is the feed movement. The utility model can process flat surfaces, grooves, and various curved surfaces, gears and the like.A milling machine is a machine tool for milling workpieces by means of a milling cutter. In addition to milling the flat surface, groove, gear, thread and spline shaft, the milling machine can also process more complex surfaces. The efficiency of the milling machine is higher than that of the planer, and it is widely used in the machine building and repairing departments.
- Method for calculating theoretical weight of elevator guide rail
- The elevator rails are divided into three major categories: solid rail, counterweight hollow guide rail and escalator rail.Solid guide is machined by rail, rail profile machined surface oriented and connecting parts together, its purpose is in the elevator for the operation of the car to provide guidance, solid guide small size is also used for redirection.Solid rail specifications are many, according to the weight of each meter can be divided into: 8K, 13K, 18K, 24K, 30K, 50K, etc., according to the width of the rails, the bottom can be divided into T45, T50, T70, T75, T78, T82, T89, T90, T114, T127, T140 and so on.You can refer to the following table (sorted by rank):Theoretical quality of rail formed steelModel sectional area / cm3 theoretical quality / (kg / M)T75 13, 1O.205T78 11.752 9.225T82 12.994 10.200T89 17.873 14.030T90 20.453 16.056T114 24.312 19.085T125 25.452 19.980T127-1 25.442 19.972T127-2 31.735 24.912T140-1 38.200 29.987T140-2 46.826 36.758T140-3 61.500 48.278
- Who knows what kind of grease the elevator guide uses?
- Just use a little bit of oil
- Which brand is better for domestic linear guide?
- Domestic or imported quality, such as Taiwan on the silver, Yintai are very good.
- Which is better, fishing rod, telescopic mosquito net and guide rail mosquito net?
- Flex well. A ride up. The rail is a little troublesome. But convenient,. Just pull it to both sides like a curtain.
- CNC lathe guide and how to select the screw, to be detailed!
- Detailed? The idea of each design is different, mainly to see what you want to do out of the NC car is like?To be honest most of the CNC lathe design engineer, will follow suit, models are similar, most is the shaft end part is different.
