Cnc Router Rotational Engraving Machine 4th Axis Belt Type Jaw Chuck & Tailstock

US $210.00

Changzhou,Jiangsu, China
Jan 30th

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Package include: 1 x set of 4th axis 3:1 (3-jaw chuck) Belt type 4th A axis stepper motor Mach3 setting ======================================================= The belt type 4th aixs ratio is 3:1 Stepper motor is 1.8deg,200 pulse per circle,so 1600 pulse per circle under 1/8 microstep; And the stepper motor rotary 3 circle the jaw chunk will rotary 1 circle; So the stepper motor need 1600x3=4800 pulse the jaw chunk will rotary 1 circle(360 degree); Then the jaw chunk rotary 1 degree need 4800/360=13.33 pulse,so the motor step setting as 13.33. Same formula: Under 1/8 microstep if the rotary axis 1 degree the motor step setting as 13.33 Under 1/8 microstep if the rotary axis 0.1 degree the motor step setting as 133.33 -------------------------------------------------------- If you use the rotary axis as Y axis(curve surface change to the flat surface engrave) It need setting the unit as mm after know the working piece cylinder diameter Example: Ratio is 3:1 The cylinder diameter is 50mm,so the perimeter is 50x3.14=157mm. It means the jaw chunk rotary 1 circle is 157mm,so the stepper motor rotary 3 circle(4800 pulse) is run 157mm. 4800/157mm=30.57 pulse run 1mm,so under 1/8 microstep the motor step setting as 30.57,1/16 microstep setting as 61.15. Shipping Please open the package and check if there are some damages before sign, if there are some damages , please do not sign and contact us immediately We ship to worldwidebut If your country’s custom is strict, please contact us before you bid to check detail and confirmed. Payment We accept paypal payment,all Paypal must be confirmed(shipping and billing address must match and correct) Payment must be made within 48hours of the auction end time Import duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyer responsibility. Problem&Feedback Please give us the opportunityto resolve any problem when you have,we concern your problem and we will try our best to resolve it. We are a new member in ebay now,and need understand both of sides Pls email us before you want to leave any negative feedback Refund When you have the parcel,and not satisfied the goods or it is other problem like as broken,pls tell us the detail reason and provide the photos Any reason required for all refund. Item must be in it's original condition and no physical damage. Buyer responsible for all shipping cost . Contact us Welcome worldwide customer inquire and questions,we will try to do our best to feedback customer’s email within 1-2 business days,if not pls check the mail box again Customer’s satisfaction is very important to us.

Condition:	New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is applicable). Packaging should be the same as what is found in a retail store, unless the item is handmade or was packaged by the manufacturer in non-retail packaging, such as an unprinted box or plastic bag. See the seller's listing for full details. ...	Brand	RATTM MOTOR
Chuck type	K11
Model	K11-65mm 3-jaw
Reducing ratio	3:1
MPN	K11-65mm 3-jaw
Stepper motor	Nema23 2-phase 4 wire
Country/Region of Manufacture	China
Clamping range	Positive claw (2~30mm), anti claw (30~80mm)
is_customized	Yes
Motor shaft	8mm
Number of Jaws	3
Net Weight	4.5kg
Power	Manual