So we've finally got the subgrade compacted and the subbase and base course placed and compacted. But what happens if there is a delay at this point before the concrete is placed? If the subbase gets rained on o
Take up winder and feeder Automatic Power 4.5KW power input 50HZ/60HZ,220V15A Net weight 280KG Gross weight 350KG Machine size 2100*1112*1209mm Package size 1950*1130*1124mm1210*650*716mm Detailed Photos FAQ Q1:What is the Minimum Order Quantity(MOQ)?A1:...
5.Bearing system according to claim 4, wherein said roller screw unit comprises a nut and a screw, said control system further comprising wheels of a rotary gear assembly, connected firstly to said rotary-to-linear conversion unit via a driven shaft and secondly to a drive shaft driven by ...
. For rewind the film would be wound over guide roller 134 to a reel on auxiliary spindle 132. For the projection-only mode, a supply reel of developed film would be attached to spindle 132 and the film fed from there directly to the projection vacuum platen and then to take-up reel ...
34, the body portion 362 of the first housing element 352 is supported on a tab portion 28, while the roller element 358 is supported on the opposite return projection 64 and is prestressed into firm bearing contact with the return projection 64 by the spring element 356. When torque is ...
The second plate is braced against a needle-roller thrust bearing 58 rolling on the bottom of the bore 12 by a spring 60, via the first plate 40 and the balls 52. The mechanical actuating device acts as follows: The rotation of the lever 50, transmitted to the second plate 48, make...
For example, structures referred to as “stringers” and “longerons” are used to stiffen skin panels and transmit aerodynamic forces acting upon the skin panels to load-bearing structures such as spars and/or ribs. These stiffeners may take various forms. As examples, some stiffeners may have...
The bell-crank lever 99 also has a laterally extending arm 101, the free end of which is provided with a cam roller 102 to engage the cam groove 103 of the box cam 104 mounted on the main drive shaft 84. A shaft 105 secured to the main frame is provided on which is loosely ...
In the present application, the term “shot peening” is understood to mean shot peening by mechanical shock, the term covering peening using shot moved either by being blasted by a jet of gas or by ultrasonic vibration, or else roller burnishing. ...
Step 14--Slack off total weight of template onto the levelling piles and re-check level of template. If the template level is correct prepare to rig down levelling equipment; if template level is not within the tolerance, pick up on travelling block to take weight of template and retract th...