PRECISION QUALITY CNC LATHE SMART BAR PULLER - 1" INCH SHANK

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PRECISION QUALITY CNC LATHE SMART BAR PULLER - 1" INCH SHANK
Item Description
Watch the videos on YouTube:
The Smart Bar Puller:
https://www.youtube.com/watch?v=FdvsezcTMNo
Pulling large diameters using small groove concept
https://www.youtube.com/watch?v=GRZ9utjosKg
Pulling Hex bar:
https://www.youtube.com/watch?v=RKO4zmQ-dcM
Hey, this is less than 2 days salary I am paying somebody to
..... open machine door, pull the material, close the door, push start...open the door... pull the material...push start
...
open machine door, pull the material, close the door, push start...open the door... pull the material...push start...open machine door, pull the material, close the door, push start...all day long.
THE EASIEST BAR PULLER SET UP IN THE MARKET
Smart Bar Puller Competitive Analysis
Today`s competitive environment demands minimizing set-up time and labor saving. When turning parts in quantities of few thousands or more, using a bar feeder makes commercial sense. However, in the midrange quantities, it is more economical to use bar puller. Ease of use and reliability are the main advantages of the Smart Bar puller solution.
There are various bar puller concepts. The main problem with bar Pullers is slippage when working with heavy stock diameter and hard materials. Few manufactures preload their pullers jaws with enormous spring force but even this still will not ensure 100% reliability since the pulling force depends on stock hardness, the coefficient of friction that changes because of oil/emulsion etc. Employing high force is not good for the spindle bearings and anyway the serrated jaws damage the outside stock diameter.
We, at Micron addressed these issues as following:
Small diameter/light stock turning
For small diameter/light parts, friction is sufficient to pull the stock material applying a reasonable amount of force.
Large diameter/heavy stock turning
For large diameter parts turning, that usually takes longer run time, our solution is to make a minor groove, 0.5mm (0.02") deep. This way we increase reliability while protecting spindle bearings. In the case that the final part outside diameter (OD) is the stock size, 2-3 additional face cuts are needed to clean the groove.
Disadvantages of competitive pullers and advantages of the Smart Bar Puller:
Disadvantages of pullers based on serrated jaws which enter the material from the side:
1) The serrated jaws are mounted on a flexure beam. There isn't any protection in case that the jaws are improperly adjusted for the stock diameter. The jaws might bend/deflect beyond the elastic region which will cause damage → Now, go and buy a new one :-(
2) The stock material needs to protrude significantly since their jaws are wide. This is problematic for small diameter turning.
3) Adjustment of diameter is inconvenient, not continuous, requires tools and takes too long.
4) Concentricity between the pullers jaws and the stock diameter is very sensitive.
5) Much more expensive than Micron Smart Bar Pullers.
Disadvantages of pullers based on emulsion/air operation:
1) They depend on emulsion pressure that sometimes drops and in any case they need few seconds for pressure build up.
2) Reliability is not as good as "all mechanical solution"
3) They are too long and too wide which is not comfortable for small CNC lathes
Disadvantage of pullers that are built like slotted collets
1) They are sensitive to concentricity relative to stock diameter and to diameter variation.
2) They need different collet size for each stock diameter.
3) They tend to catch metal particles and if this happens, they will over-flex and get damaged.
4) They need long distance clamping which is problematic for small diameter turning.
Advantages of Smart Bar Pullers
1)
Fast and easy set up.
2)
Continuous diameter and force adjustment, depending on stock size and hardness.
3)
Compact design minimizes tool interference, great for use with small CNC lathes.
4)
Made from Steel and Stainless Steel parts, The 3 jaws are hardened steel self-centered.
5)
Less expensive than competition price.
Turning cycle for small diameter parts is usually very short, 2-4 minutes. Loading stock material manually means that you are standing all day, opening and closing machine door, pulling stock material.
Micron CNC lathe Smart Bar Puller will allow you to increase productivity by automating your CNC turning center.
The smart bar puller pays for itself in 2-3 working days!
Smart Bar Puller
Program example for Fanuc
All numbers on this example program are shown on the attached drawing
(picture on top)
Parts counting loop:
#500=0   (Parameter for parts counter)
#501=11 (Number of parts minus 1, on this example we are pulling 11-1= 10 parts)
N1 (counter start)
#500=#500+1 (Counter)
IF[#500LT#501]GOTO10    (
Condition number 1 which send you to N10)
IF[#500GE#501]GOTO999  (
Condition number 2 which send you to N999)
Start with your single part program:
N10 (beginning of single part program)
xxxxxxxxxxxxxxxxxxxxx
xxxxxxxxxxxxxxxxxxxxx (this is your last command before the cutting operation)
Cutting ....
M9 (stop coolant)
M5 (stop spindle)
M19 (spindle orientation) ---------- (just if you are working on Hexagonal bar, you need spindle orientation. In this case you need to tighten the Smart Bar Puller so that it will clamp the bar on the Hexagonal flat surface)
G28 W0 (go to home on "z") --------- (this is just safely clearance)
G28 U0  (go to home on "x") --------- (this is just safely clearance)
M98P57 (call for subroutine number 57------Bar Puller subroutine)
GOTO1 (counter start)
N999
G28 W0 (go to home on "z") --------- (this is just safely clearance)
G28 U0  (go to home on "x") ----------(this is just safely clearance)
M2 (End of program)
Bar Puller Subroutine:
:0057(Bar puller subroutine)
G28 W0 (go to home on "z") --------- (this is just safely clearance)
G28 U0  (go to home on "x") ----------(this is just safely clearance)
M01 (optional stop)
N1G98G97G40T0909  (T0909---- call tool number 9  and offset number 9  which is the bar puller. You have to take offset for the bar puller as for each tool. The offset is to the front of the 3 jaws)
G0 Z15. X0. (Move bar puller to X0 and
15 mm
from the original material length)
(This value is a safety clearance relative to the front of the part and you can change it)
G1 Z2. F1000 (Move bar puller towards the rest material. This is still outside the rest material)
G1Z-32. F1000  (Move bar puller into the rest material L=20(part length), C=2 (Cutting tool), E=10 (Bar puller entrance to the material), 20+2+10=32)
M10 (open chuck jaws)
G04X1.5 (wait 1.5 sec to the chuck opening. This time depends on your chuck operation)
Z-9.F500 (pull the material out to the new cycle start position). Pulling distance has to be calculated, see drawing, on this example, it pulls out the bar
23 mm
from -32 to -9
M11 (close chuck jaws)
G04X1.5( wait 1.5 sec to the chuck closing. This time depends on your chuck operation)
G1Z20.F2000 (retract the bar puller from the material)
M01
G99
G28W0
G28U0
M99 (End of subroutine)
:
Using Micron Smart Bar Puller is very easy
Using the 3 knobs, you can continuously adjust clamping diameter and clamping force. No tools, no coolant or air connections are needed. In just a few minutes you are ready for your next job
About Us
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About Us
Welcome to Turner Workholding, LLC - suppliers of CNC Chuck Jaws, Standard Jaws, Custom/Block Jaws, and Accessories for all your turning needs. We specialize in supply of Steel & Aluminum CNC Soft Jaws (Flat, Pointed & Pie), Hard Jaws, and Accessories (T-Nuts, Keys, Adaptor Plates, etc.), Precision quality Bar Pullers, & Solid Carbide End Mills (Tialn Coated). Our products are manufactured in an ISO-9001 certified facility.
Our business philosophy is Simple: Provide customer with the highest quality products with the best in class service at the lowest market pricing! We do so by having strategic partnerships, continuously optimizing our processes, and removing waste from our supply chain, while passing the savings to our customers.
We service customers of all sizes end users, regional distributors/resellers, and national distributors/wholesalers across North America & Europe. We sell jaws directly and through ebay (Amazon in upcoming weeks). We can export jaws to all major countries across all continents.
We look forward to serving you!
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We accept all applicable payments through ebay!
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Same day shipping for orders before 8.00 am EST! For all orders after 8.00 am, we are commited to ship the products out within one business day after receiving the payment!
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All T&Cs as applicable to ebay!
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60 day return policy- no questions asked!
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