1、 1 附 录 附录 1 英文原文 Combine tool machine a slippery pedestal the research of the dynamic state characteristic 【 Summary】 this text make use of power key to match diagram and appearance space analyticalthe method hurtle and exercise a steady sex problem to carry on analysis and study towards combining t
2、ool machine slip pedestal of ex-ly, the liquid which builds up a slippery pedestalpresses to drive system a from adjust to carry on the back to press to adjust soon dynamic statemathematics model of system.Pass a calculator numeral to imitate really, hurtle and exercise notsteady reason and main imp
3、act factor before analyzing a slippery pedestal a creation.From in get, if reasonably design a liquid to press an urn with from adjust to carry on the back to press toadjust structure size of press the valve, can make the dynamic state characteristic of slipperypedestal shown a Zhao improvement. One
4、, preface Combine a tool machine work in, the varieties which slip a size of sport speed and direction andthe load bear all influence degree differently it work function.Especially in the work enter theprocess.Slippery the on the stage load of suddenly disappear causable of ex- hurtle and load ofthe
5、 period variety cause of the sport gravamen be steady, all is processed the surface quality ofpiece the influence, severity hour will cause the knife break.Request according to tool machinefactory in Dalian, the author adopts power key to match diagram and the analytical method establishment of the
6、appearance space to combine the new liquid that the tool machine slips apedestal to press to drive system a from adjust to carry on the back to press to adjust soon dynamic state mathematics model of system.Pass a calculator numeral to imitate really and study.Analytical slippery the pedestal produc
7、e ago hurtle and exercise not steady reason and main impact factor, in order to improvement slippery the dynamic state characteristic of pedestal. Two, dynamic state mathematics model The liquid which combines tool machine to slip a pedestal presses to drive system a from adjustto carry on the back
8、to press to adjust soon the work principle diagram of system,such as diagram I, to show.That system is the work circulation which uses to complete the work enter a stop a back quickly.When slippery pedestal work enter, 34 change to be placed in diagram to show a right toward the valve, the oil pump
9、of provide hydraulic-pneumatic dint under thefunction which over flows valve look like ground to keep Heng settle, the oils liquid flows through to change toward the valve and adjust soon valve juniors into the oil urn of 2 have no a pole chamber, push slippery the set be left shift；In the meantime,
10、 oil urn the pressure oil that if there is pole chamber, eject through from adjust to carry on the back to press valve and change to flow to return to fuel tank toward the valve.In this process, two one-way valves with overflowed to flow valve and always dont change original work appearance.Object t
11、hat system so of complications not line system, for the sake of easy to study its dynamic state characteristic, build up a reasonable simple dynamic state mathematics model which only emphasizes to consider main impact factor is particularly important12.Know from the theories the analysis with exper
12、iment the research:That system of process time be soon that the process which is far larger than to adjust valve is soonhorary, oil urn have no the pole chamber effectively accepts to press area very greatly, adjust soon valve export discharge of super adjust a reflection in a moment is slippery ped
13、estal sport speed of the variety be pimping2.For openning widely and going deep into dynamic state characteristic of study the system, make research work can on the microcomputer availably carry on, this text to original model2 do further simplification, on thesupposition that adjust soon the valve
14、outputs in the whole transition process of system Hengsettle of discharge, treat it as to flow a source.So, the structure sketch plan of the dynamic state model of system such as figure 2 show, it from oil urn, slippery set, carry on the back to press valve and unite connectors roads etc. to constit
15、ute from the Diao.This text in use of sign asfollows: S 1-flow a source, then adjust soon valve export discharge； Sel-the slippery set glide friction Sel-the slippery set glide friction C5, C6-the etc. effect liquid of tube road permit: R5, R7-take care of an etc. of road effect liquid Zu； V3, the V
16、4-oil urn has no pole chamber and has a pole chamber the contents to accumulate； P3, the pressure which have no pole chamber and have a pole chamber of the P4-oil urn F-the slippery set bear a load, V-slip a pedestal sport speed.The this literary grace hard working rate key matches diagram and appea
17、rance space to fold a method establishment sport mathematics model of the system for cent. Power keys matching diagram is an effect to flow diagram, it is the energy which presses system to deliver a way, take actual structure as foundation, the function which uses concentration parameter the of sub
18、- system relates to an abstract earths surface to show for the Zu a dollar Rand permits sex dollar C and sensitive faculty dollar I of three kinds of 3 function dollar.Adopt thiskind of method sets up a mold physical concept clear, combine the appearance space analysis method can compare to accurate
19、ly describe with analysis line system, that method is in the hour the area study complications the line system dynamic state characteristic not of a kind of valid of method. According to from adjust to carry on the back to press to adjust soon the main characteristic ofeach component of system and s
20、et up mold rule1, get figure 3 show of the power key of system match diagram.Each half arrowhead on the key in diagram means that the power fly to, 2 which constitute power change the quantity be a dint to change to measure(hydraulic-pneumatic P or function dint F) and flow to change to measure(disc
21、harge q or speed v).O crunode means in the system to belong to merge a conjunction, each dint of key changes to measure equality but flows to change to measure it with is zero；1 crunodes mean in the system to belong to establish a conjunction, each key is upper-class to change to measure equality bu
22、t dint to change to measure it with is zero.TF means a different energy form the transformation machine of, the TF bottom mark of the letter of alphabet mean that the dint changes to measure or flows to change to measure of conversion specific value.The short and horizontal Gang of key means that ke
23、y ascend two change the cause and effect between quantities relate to.The whole arrowheadses mean a control relation.Permit the dint of sex dollar and sensitive faculty dollar to change to measure in three kinds of function dollar and flow to change to measure it have integral calculus or differenti
24、al calculus relation, therefore, according to figure 3 can deduce to submit to havenine complications that the appearances change to measure not the line appearance square distance.This text to slippery pedestal the research of the dynamic state characteristic from slippery pedestal of ex- hurtle an
25、d exercise steady sex both side to commence, use four ranks certainly tread long Runge-Kutta method at IBM-PC microcomputer up carry on numeral to imitate really, imitate a true result to distinguish such as figure 4 with figure 5 show. Three, slip to hurtle before the pedestal Slippery before the p
26、edestal hurtle phenomenon is what function at slip the load of on the stage suddenly disappeared( if drilled to deeply work circumstance) cause.In this process, the variety which slips two chamber pressure P3s and P4 of the load F, sport speed V, oil urn of pedestal can from the figure 4 imitate tru
27、e result see.When the slippery pedestal evenly and soon exercises under the function of the load, the oil urn has no pole chamber oil liquid pressure higher.It came together a great deal of energy in the oil liquid.While loading to suddenly disappear, that chamber is hydraulic-pneumatic to immediately and quickly lower, the oil liquid turns into the process of low-pressure Tai toward system to release a lot of energies from the high pressure Tai and cause slippery pedestal the high speed pounds at forward.However, slip a pedestal of ex- hurtle to make an oil urn to have a pole chamber the
