Method to realize asychronous serial communication through standard RS232C interface between TP801 single plate controller and PC computer is discussed, it comes to realigation for mutual direction data transmission at arbitrary distance through the medium of magnetic tape.
WSK882 milling machine digital control system is characterized by displaying in chinese, three—level menu management symmetry of X and Y axes, tool - path tracing display. It is equipped with I/O interfaces for magnetic tape unit to make multi - quadrand circular interpolation and a variety of clearance compensation.
By way of analysing leakage reason,the manufacturer replaces polytetrafluoroechylene adhesive tape seal and argon are welding with letai anaerobic adhesive,improves and perfects adhesion and seal technique.
Experiments [1, 2] have revealed a transition accompanied by an appreciable enhancement of pulsations whose period is twice that of the driving vibrating tape.
Results are given of experimental investigations of heat transfer under conditions of forced convection of highly subcooled water in a smooth pipe and with an internal twisted tape under asymmetric heating.
The technique for measuring distortions is described, and the results of measurements are presented for several films cut from different sections of a standard piece of double-sided tape with a length of ~7 m and a useable width of ~20 cm.
The standard plastic base of the tape under investigation is 190 μm thick; ~50-μm-thick layers of diluted PX3 emulsion-gel are applied to its opposite sides.
This paper introduces the computer aided NC programming of 3-D surfaces of fan blades. The output of the computer can be the punched tape for NO machine tcol. The mathematical method used to establish the mathematical model of the blade surfaces is Coons Surface.The advantages of using the source program developed to program blade surfaces are as follows: (1) NO machining the mid-blade shroud and the blade surface can be made by the same NC programm produced by the soarce program; (2) active coatrol o...
The working principle of the automatic laser tracking transducer for welding will be described in the present work. This transducer is not restricted by the roughness of the detected surface by using the non-contact distance-detecting technique for the optical path of the direct-visual transverse focusing alignment. It can be used even to detect the uneven surface which was sheared, planed and manually gas cut. This transducer can be assembled into the single or double as required. The double receiver has v...
Premixed Nb and Ge fine Powders previously pressed were alloyed by means of high frequency levitaion melting. Mixed with 2 drops of varnish, the ground alloyed powders were coated on the surface of Ni—Mo—Fe tape with thickness of 42 μ and width of 2.5mm as a correct standard of Nb_3Ge film. A single tape was measured with instrument During measurment, sample rotated without correcting its background. It takes one minute to analyse a sample. The correct curve plotted by the ratio of intensity (I_...