Crankshaft lube Kongji joins flange Kong Zhuan uses the development of drilling machine

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Summary: ? Mast ancient name for a water catltrop besmear of  of gourd ladle of commonplace で  rising abruptly allows an extensive Zhong Meixu be proud vertebra of ability of  Yong ɡ mires Ping of Liang of cape of children's hair of elder brother of smile of  of ɑ of rice of  of Bo of ㄓ rice Beng paragraph さ of altar of humorous of Т toad ⑿ bears an ancient nationality in China scrupulously and respectfully? foreword crankshaft is diesel engine medium, its service life is deciding the life with overall diesel engine. Crankshaft each journal is to be in very tall than pressing dirty whirligig, reason makes journal and bearing are chafed strongly, to make sure crankshaft bearing job is reliable, reliable lubricant oil duct must be opened on crankshaft, send bearing attrition surface lubricating oil. This oil duct belongs to long and thin aperture, and become proper point of view with axes. In crankshaft treatment, have get inclined straight oily aperture, bore with a reamer the labor situation such as aperture of inclined straight oily aperture, join of the flange that get bore with a reamer. Manufacture efficiency to rise, designed a special drilling machine, this drilling machine has range of main shaft timing big, journey precision of long, treatment is advanced characteristic, overfulfil can fall in a working procedure situation of a few kinds of labor. The structural work principle of 2 special drilling machine 2.

1 private plane is overall structural work principle this machine tool is overall the structure is similar to radial drilling machine, if structural work principle pursues 1, its lathe bed is lathe lathe bed, pillar is followed procrastinate greatly board slide along lathe bed, reason but vest in type of slide carriage of a 3 coordinate radial drilling machine, but function of cutting of implementation getting, bore with a reamer, tap. Its job principle procrastinates along with feed for main shaft box board implementation getting cuts feed to move (Z to) , labour adjusting is through procrastinating greatly board transverse motion (X to) , rocker moves up and down (Y to) , the roll of rocker (XOZ face) will come true. 1.

Electromagnetism clutch 2.

Gear case 3.

Electric machinery of X direction drive 4.

Cooling pump 5.

Workbench of aperture of the flange that get bore with a reamer 6.

Workbench of aperture of the oil that get bore with a reamer 7.

Scaffold 8.

Cooling water box 9.

Lathe bed 10.

X to drive gear 11.

Procrastinate greatly board 12.

Bottom column 13.

Fine tuning gear 14.

Pillar 15.

Join hand changes face of flange of component of feed drive gear 16.

Stretch column sells shaft coupling 17.

Rack 18.

Feed guide screw 19.

Cutting electric machinery 20.

Switch handle 21.

Electric control box 22.

Y to reducer of drive electric machinery 23.

Main shaft gear-box 24.

Locking guide screw 25.

Transmission gear 26.

Z to reducer of feed electric machinery 27.

Adjust piece 28.

Adjust bolt 29.

Cutting electric machinery pursues Kong Zhuan of 1 crankshaft lube uses principle of drilling machine structure graph getting cuts motion by cutting electric machinery 29, sell shaft coupling through stretch column 16 with 23(of main shaft gear-box 3 archives gearshift) connect, the 3 archives that can realize main shaft cutting to move infinitely variable speeds. The hand moves cutting feed motion to use gear rack orgnaization to come true, motor-driven cutting feed moves by reducer of feed electric machinery 26 through transmission gear 25 drive echelon feed guide screw 18 will come true, filar lever nut designs mouth nut, pass handle 20 implementation hand uses the switch with motor-driven. Next motion on rocker by electric machinery reducer 22 through electromagnetism clutch 1 connect with handle axis, drive roll of echelon guide screw via bevel gear inverting, the fluctuation that realizes rocker is mobile. Procrastinate greatly board transverse motor-driven (X to) be by X to drive electric machinery 3, will come true through drive of rack of drive of positive drive, worm, gear, worm axis jacket has the handle that takes simple and easy tooth to embed clutch, can realize a hand to move fine tuning to move. Leave on bottom column have annular T chamfer, use bolt connection at procrastinating greatly board on, pillar and bottom column pass T bolt connection, when needing rocker to turn, loose T bolt, move rocker to realize the roll of XOZ direction, pillar issues the predestined relationship outside flange face to be encircled of tine, pass gear 13 implementation fine tuning, need to screw when treatment T bolt. Procrastinate in feed board in be being designed with the slideway of rocker, next course use swallow end form sliding slideway, course uses scroll guide on, adjust slideway clearance through adjusting a 27 bolt that go up. The fluctuation of rocker moves to direct through oriented key, the locking guide screw that helix controls through taking when the job 24 implementation locking. Number is used to show when aperture of flange of the crankshaft that get bore with a reamer have fixed position, pillar a side opens magnetism bar slot, magnetic head installation is in rocker is corresponding the position, the number that implements Y direction is shown, x is to magnetism bar outfit on lathe bed, magnetic head installation is procrastinating greatly board on, number of implementation X direction is shown. 2.

Principle of work of construction of gear-box of 2 main shaft the process capability to increase private plane, scope of timing of requirement main shaft amounts to 10 ~ 800r/min, mechanical speed change is adopted in private plane design (3 archives) will realize infinitely variable speeds with electric frequency conversion. The transmission structure principle of main shaft gear-box is shown 2 times like the graph. 1.

The gear that dial fork 2.

Shift gear handwheel 3.

Fixed position is sold 4.

Return spring 5.

Sleeve rack 1 6.

Smooth key 7.

Dial forked 1 8.

Axis of the gear that dial fork 9.

Sleeve rack 2 10.

Smooth axis 2 11.

Dial forked 2 12.

Smooth axis 1 graph power of picture of principle of structure of gear-box of 2 main shaft is inputted by axial Ⅰ , by axial Ⅵ output, what go up through main shaft is triplex gear implements 3 archives speed change, gearshift clutch operation uses gear rack orgnaization. Line of graphic representation transmission is middling speed archives, the drive when having frequency conversion compares I total =6.

31, in make sure power is not lack fidelity the transducer below premise can undertake 5 times frequency conversion, total drive is compared can amount to most 31.

55, limits of infinitely variable speeds of main shaft of middling speed archives is =31 of N main shaft.

69-158.

4r/min. Go up when axial Ⅰ triplex the gear wheel that 40 × reach the gear in gear 2 batches to go up with axial Ⅵ when 2 clench the teeth of 50 × , the gear on axial Ⅵ 40 × the 3 gear that go up with axial Ⅴ 20 × 3 exit clench the teeth (because two batches of fork make retrorse and interactive) , can realize high gear drive, the drive when having frequency conversion compares I total =1.

25, add total drive of on 5 times frequency conversion to compare can amount to most 6.

25, limits of infinitely variable speeds of high gear main shaft is =160-800r/min of N main shaft. Go up when axial Ⅰ triplex the gear wheel that 29 × reach the gear in gear 2 batches to go up with axial Ⅱ when 2 clench the teeth of 61 × , the gear on axial Ⅵ 40 × the 3 gear that go up with axial Ⅴ 20 × 3 still be in clench the teeth (because of the gear on axial Ⅴ 3 designs of 20 × become wide gear) , can realize low gear drive, the drive when having frequency conversion compares I total =20, add total drive of on 5 times frequency conversion to compare can amount to most 100, limits of infinitely variable speeds of low gear main shaft is =10-50r/min of N main shaft. 2.

3 private plane are main electric machinery of technical parameter cutting: Y112M-6-B6: X to drive electric machinery: Y90L-4-B5: Y to reducer of drive electric machinery: RW42-18.

8-Y90S-4-B5: Z to reducer of feed electric machinery: TF47-64.

12-Y0.

75-4-B6: X direction journey: 4500mm: Feed speed 2249mm/min: Y direction journey: 850mm: Feed speed 350mm/min: Z direction journey: 800mm: Feed speed 45 ~ 120mm/min: Pillar corner coming back is spent: 360 ° : Treatment aperture limits: Ø7 ~ 40mm: Limits of main shaft rotate speed: 10 ~ 800r/min: : of main shaft taper hole?  ?# . Of 3 designs and rocker of the note in using on course designs scroll slideway, and of scroll slideway bigger than pressing, reason rocker suggests to use HT350 when select material and craft are handled, the surface quenchs hardness amounts to HBS250 ~ 270. Feed procrastinates board on with the adjustment at adjusting clearance bolt is when type selecting, become loose to avoid what accident person is, should use inside 6 horn bolt. Precision of private plane geometry examines the project is expressed (slideway of lathe bed of Mm) project precision the linearity inside perpendicular plane 0.

Slideway of 05 lathe bed is in the parallelism inside horizontal 0.

Radial of taper hole of 04 main shaft is jumpy 0.

Change of axes of 015 main shaft is moved 0.

The verticality with 012 planar to lathe bed pillar 0.

The parallelism with planar to lathe bed slideway of 05 rocker level 0.

Erect slideway plane is opposite 05 rocker the parallelism of pillar axes 0.

05 pillar are when 0 ° position, erect slideway plane is opposite rocker the verticality of plane of lathe bed slideway 0.

Line of center of 015 main shaft is erect to rocker the parallelism of slideway plane 0.

Line of center of 025 main shaft is contrary the verticality of column 0.

The tigidity of 05 pillar affects the tigidity of whole machine tool directly, should design have enough stiffness, in order to assure cutting quality. Form between the oriented key of rocker and pillar slip deputy, the position should be designed in perpendicular go up at the plane of rocker slideway face, wear away for compensation formation clearance, rocker should use what bronze makes to set in installation of corresponding position design adjust piece. Force is fought to arise because of cutting in machining a process bigger turn over torque, easy raise whole procrastinate greatly board above component, because this adds man-hour, need to procrastinate greatly through pressing an orgnaization locking board, assure to procrastinate greatly board the contact with lathe bed slideway. Two workbench are debugged in installation when, need to make sure the level is spent, the parallelism of lathe bed, mutual the verticality between. The crankshaft when treatment installs card to need to use appropriative clamping apparatus, t bolt connection is used between clamping apparatus and workbench. Lathe bed and workbench are debugged use appropriative machine tool to adjust piece, lathe bed should assure lathe bed axes when debug (slideway) the level is spent. Private plane is designing the form that in making, should reach precision is like right watch. 4 conclusion the is used at machining crankshaft lube Kong Jilian to receive flange aperture special drilling machine of article introduction, have conception novel, principle is correct, use effect of convenient, treatment to lead tall, precision to assure to wait for a characteristic easily. Use this private plane to machine crankshaft, shortened greatly handling time and production cost. Yi Ke of this private plane applies at other large structural member is deep the treatment of aperture, have bigger practical use value with promotion. CNC Milling