Focus Assembly Upgrade Accessory - 2.5 inch inch model.Fits any Chinese Laser Machine. Fits Weike, Hurricane Lasers, Boss Laser, Morntech, Beyond Laser, Glory Laser, Golden Laser, and many more.For American and other Western laser machines - ask about our retrofit kits for Epilog Lasers, Universal Laser Systems, and more.One minute installation: First, remove the current focus head assembly by removing the air line and loosening the height adjustment and removing the red dot pointer (if provided). Next, insert the new focus head shaft, insert the air tube into the quick connect, and screw in the red dot pointer bracket (if provided)Product Contents: (1) Quantity one, laser focus head upgrade accessory; (2) quantity one, focus lens two inch; (3) quantity one, lens adjustment tool; (4) Printed Instructions
Focus Assembly Chinese Upgrade - 2.5 in. model
Features and Advantages
Get Quality in a New Dimension with a state-of-the-art laser cutting/engraving head upgrade accessory for your Laser Engraver/Cutting Machine. Laser Cut wood/plastics at a faster rate (sonic velocity air exits nozzle with laser beam). Less burn back in your laser cut parts, otherwise stated, reduced Heat Affected Zone (HAZ). New capability to fine tune your laser cut: Adjust nozzle standoff from material while maintaining the same focal distance (improves air flow). Permits focusing at top, middle, and bottom of material.
Brand Name Mahoney Packaged Weight 1.1 pounds Product Dimensions 1 x 1 x 2.5 inches Item Model Number MAH-PFN-CHN-25 Shipping Costs
USPS rates, Internationally $22.
DHL, FEDEX typical.
Payment using Paypal Electronic Invoicing system for credit cards including VISA, MASTERCARD, AMEX, DISCOVER and Paypal. No Paypal account required for transaction.
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Industry Leaders recommending Laser Nozzles
Click here to read "The Fabricator". These techniques apply to nonmetals cutting, even though the target audience cuts metals. Read: "Setup time for a laser can be lengthy when preparing to cut unfamiliar materials. Nozzle size, power, optical focal length, assist gas, gas pressure, speed, and focal length can all influence the process. These parameters are so important to the process that if they are not set correctly, the material cannot be cut."
Market Leaders identify Laser Nozzles for Higher Quality
Click here for Vytek laser website says (photo included) "FX3 Standard Features: The FX3 system includes our full function cutting and engraving head. This unique assembly allows use of a gas assist delivery nozzle and the choice of focal length optics from 1.5" to 7.5" while still allowing for independent adjustment of the nozzle length as well as centering of the optic within the nozzle orifice. This feature allows the operator to maintain the ideal adjustments for just about any cutting or engraving application."
Click here for article on Laser cutting of different polymeric plastics (PE, PP and PC) by a CO 2 laser beam. The authors say, "In the nozzle employed for cutting plastics, the gas jet oriﬁce has a 0.8 mm diameter. Its function is to discharge gas coaxially to the laser beam. The extremely small size of the oriﬁce ensures a thin, punctiform and efﬁcacious jet of gas that makes it possible to obtain the narrowest possible kerf width and, simultaneously, high operating speed thanks to the rapid removal of the molten material. The nozzle–sample distance was ﬁxed at 1 mm, because at this distance it is possible to obtain an optimum gas jet convergence and pressure in the cutting channel."
Impractical for smaller machine laser engraving and cutting, however, the physics of laser cutting flow dynamics can be carried over from metals to plastics. In other words, failures in nice cuts on plastics can turn in to successes with the right nozzle and air pressure. See these metal cutter industry leaders with their automatic nozzle changers. Click for LVD. Click for Salvagnini Click for Mitsubishi.