Phn mm:

- Phn mm to mu: phn mm to mu (Altium, AutoCad, Orcad), phn mm

chuyn PDF sang BMP to file nh mch in (Photoshop, PDFtoBMP) cc phn

mm ny xut file cho phn mm Aspire chy.

- Aspire 4.0: Phn mm xut file Gcode cho phn mm USB CNC Controller chy.

- USB CNC controller: Phn mm iu khin my CNC Mini.

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To mu Mch in:

Bc 1: Layout v xut file PDF.

- Layout PCB bng Altium. Do dao ca my CNC thng ln nn Clearance nn ln

(>= 20mil)

- Xut file layout ra nh dng PDF. Lc ny ta c file mach_in.pdf. Phn mm

Aspire open c file PDF nhng di dng vector, khng th chy c mch in

do khng hin th c kch thc dy, via, pad

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Cc ng dy mch di dng vector nn khng th hin c

di ng mch.

Bc 2: Chuyn file PDF thnh file BMP phn mm Aspire c chnh xc tng gi tr nh

kch thc ng dy, kch thc via, pad.

- Xut file BMP t file PDF trn bng cc phn mm PDFtoBMP hoc bng

Photoshop.

Lc ny ta c file mach_in.bmp.

Bc 3: Import File BMP vo Aspire:

- Giao din phn mm Aspire: Chn Create a new file

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- Chnh cc thng s tng ng:

Job size (X & Y): Kch thc vng lm vic. Nn chn

ln hn kch thc mch.

Material (Z): B dy phi. Chn thch hp theo b dy

phi, nu lm mch in th khon 2mm.

XY Datum Position: gc ta , lun 0.

Units: chn mm.

Bm OK.

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- Import file mach_in.bmp vo:

- Ta c nh sau:

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- To Vector cho dao my CNC chy: Chn Trace Bitmap, biu tng hnh con chim

ct.

- Ci t cc thng s phn gii ty . Chn Black and White. Bm Preview xem

trc, bm Apply p dng.

Lc ny trn hnh chng ta c thm nhng ng k nh sau:

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- Bm vo phn mu en trn hnh ri nhn Delete, ta c ng ct theo mun:

- Qet khi ton b, nhp phi chn Group Object:

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- Bm vo Toolpaths gc phi bn trn mn hnh chnh cc ty chn v xut

Gcode:

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Chn Set

Ty chnh cc thng s:

Thichness: chiu dy phi.

XY Datum: v tr bt u ct.

Rapid Z Gaps:

Khong cch an ton Clearance = 10mm, Plunge = 6.

OK.

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- Ta chn Pofile Toopath ct 2D.

Cut Depth: chiu su mi khoan s ct xung. Do y l phay mch ta ch cn ct i phn

ng mng pha trn. Nn Cut Depth l 0.5mm.

Tool: chn mi khoan. Nhn vo SelectChn mi ct Engrave trong Metric Tool. Ty vo

dao s dng chn cc thng s phn Geometry ph hp. Phn Cutting Parameters chnh nh

trong hnh. Sau bm OK.

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Machine Vector: chn cch ct. Outside cho mi khoan i bn ngoi vt. Inside mi khoan i

bn trong. y phay mch nn chn Outside.

Nhn Calculate to file ct.

Nhn vo biu tng Run xem m phng.

Xong chn Close.

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Nu m phng chy chnh xc ta Save li:

Chn biu tng Save lu li.

Save li vi nh dng G Code (mm) (*.tap).

Lu vi tn mach_in.tap

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To file ct ri mch ng ra khi php:

Quay li mn hnh lm vic nh sau:

Dng cng c v hnh ch nht v hnh vin theo mch in. y s lm ng ct ra.

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To file ct mch ra nh trn, nhng chnh li cc thng s cho ph hp.

Cut Depth : l 2mm. y l b dy ca php cng l

su m mi dao s i xung.

Tool: chn loi dao khc, y chn End Mil

Sau cho chy th nh trn, lc ny mu chy th ta c:

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Save li file va to vi tn Cut_out.tap.

Nh vy ta c 2 file .tap l mach_in.tap (dng dao mi nhn Engrave) v file cut_out.tap

(dng dao End Mil, nh mi khoan).

Ln lt load tng file vo phn mm CNC, ng thi thay mi dao tng ng cho tng file.

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PHN MM IU KHIN MY USB CNC Controller:

http://www.planet-cnc.com/files/CNCUSB_20150530.zip

Ci t phn mm v chnh cc thng s nh sau:

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M file mach_in.tap. Lp mi dao nhn Engrave vo my.

Vng mi tn en X Y Z dng chn v tr gc ta , ni

mch c ct.

Biu tng 4 mi tn mu xanh dng dng Set v tr

hin ti l gc ta . Sau khi di chuyn mi ct n v tr

thch hp bm vo biu tng ny.

Lu : di chuyn trc X Y trc. Sau di chuyn trc Z

sao cho mi dao nm st mt vt liu.

Biu tng 4 mi tn mu xanh l di chuyn mi dao v

gc ta Set.

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Bm Start bt u. Tng t chc nng cho Stop, Pause:

Sau khi hon thnh, mi dao s quay v v tr gc ta . Lc ny ta hay mi dao EndMil (nh

mi khoan) ct mch ra.

Lu : nn chnh trc Z cao ln thay th mi d dng. ng thi khng c thay i gi tr gi

tr gc ta .

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M file cut_out.tap:

Chn biu tng 4 mi tn XY mu xanh l mi khoan v v tr gc ta theo phng XY.

iu chnh trc Z sao cho mi khoan nm ngay trn b mt vt liu. Bm vo biu tng 4 mi

tn xanh dng Set v tr lm gc ta .

Bt u ct nh trn.