The improvement of clamping apparatus of metallographic sample cut

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  • source:ASEM CNC Machining
Normal Align=left>1 problem put forward Normal Align=left> is being made when taking metallographic sample, classics regular meeting is come up against below two kinds of circumstances. Normal Align=left>(1) because the clamping apparatus of cut machine and emery wheel piece the distance with certain be apart, because this is small,sample is placed hard support cut. Normal Align=left>(2) sample are bigger, but because clip runs place length insufficient, place a side that clamping apparatus can be located in only when holding, not only cannot clip sample, return easy attaint clamping apparatus. Normal Align=left>2 improves methodological Normal Align=left> to small sample, the design made the fixture that the graph shows 1 times. Normal Align=left>normal Align=center> pursues 1 sample clamping apparatus pursues Normal Align=left> pursues 1 in, armor plate 1 with the 2 close firm action that carry bolt, nut, be in sample clamp U form 3 place, bearing piece 4 rise to prevent sample to glide action. Place this clamping apparatus and sample to the clamping apparatus of cut machine, can have cut. Normal Align=left> pursues 2 assist clamping apparatus for another group. With the graph 1 photograph is compared, this group of clamping apparatus have following and different place: NOrmal Align=left>(1) is in respectively the inside of two armor plate, direction of edge standard way and upend machined two to open slot. Its action is round lever of the clamp side 4 arris that use notch kind sample. Normal Align=left>(2) U is lesser, suit clip to hold small sample. Graph 1 medium U form chamfer is bigger, suit clip to hold largish sample. This group of auxiliary clamping apparatus want with the graph 1 in the ability after 1 combination uses board. Normal Align=left>normal Align=center> pursues 3 adjustable Normal Align=left> pursues 3 it is to be aimed at although sample is bigger, but clip runs place length insufficient and another fixture that the design makes. Clamping apparatus of a complete set of is comprised with one adjusting rod by two armor plate. Among them, the one aspect of the matter of adjusting rod machines set prescription tenon and handwheel, the osculatory place of 1 inside has adjusting rod and board one spacing step, machine whorl entirely to another end from step. Adjusting rod and armor plate 1 it is mobile join, with armor plate 2 pass threaded coupling. Normal Align=left> pursues the working principle of 3 clamping apparatus: sample park the other one aspect of the matter that adjusting rod is far from in two armor plate, adjusting rod places the dimension bulk that holds position to undertake modulatory continuously according to sample, till two end are apart from clamping apparatus,agree, next the clamping apparatus of reoccupy cut machine clamp of two armor plate. The square tenon on adjusting rod can cooperate with ratchet handle, such, when adjusting, can turn already handwheel, handle of OK also and rotational ratchet. Normal MARGIN-TOP of Left" Align=left>3 effect: 0px; MARGIN-BOTTOM: 0px; TEXT-INDENT: 20pt; LINE-HEIGHT: 150%; TEXT-ALIGN: Center" Align=left> pursues the main good point of 1 clamping apparatus, it is to make the position holding clip of sample is in cut machine emery wheel completely piece below, solved small sample smoothly to place held issue hard consequently. Additional, use two-way clip to hold, sample is held firmer by clip, cut rises safer. Sample already can the level holds clip, also but upend holds clip. Former apply to the sample with sectional big change, dish of ministry intercept that is like spiracle (the fore-and-aft analyse that latter of graph 4) ; applies to sample is cut, the fore-and-aft sliver that is like head of 6 horn bolt (graph 5)normal Align=center> pursues the sample with 4 sectional bigger change pursues with clamping apparatus sample of 5 fore-and-aft section plane uses clamping apparatus Normal Align=left> pursues the advantage of 3 clamping apparatus is, adjusting rod can make successive adjustment, accordingly, no matter sample clip holds place dimension bulk, all can move two spring to parallel. Such, already clip sample, also do not send clamping apparatus of attaint cut machine. Normally space block method cannot compare this one advantage, because the ply of space block is changeless, although use many space block to combine, hold place dimension size very hard also to just agree with the clip of sample, and the operation is very trival. Additional, ratchet handle can undertake modulatory to adjusting rod inside narrower angle range, the operation is very convenient. CNC Milling