Onulis Resin Recycler

Onulis WRAP W7500

The Onulis W7500 automatically converts UV waste resin into a fully cured solid plastic stock, which can be disposed of as standard household waste.

The W7500 printer creates solid plastic stock for a wide variety of uses, including low-cost media for prototype machining, raw material to produce colorful products, or unique organic shapes to create artwork projects. Leveraging the patent pending WRAP™ (Waste Resin Axial Printing) technology, which prints with previously used or expired UV resin, the W7500 operates at virtually zero cost. Once your waste resin is printed, it can later be disposed of as standard household waste.

Finished goods created with SLA, DLP, or PolyJet technologies are safe to handle and, if desired, may be disposed of as common household waste. However, each of these technologies generates waste in the form of unused resin, which is uncured. Waste resin in its liquid state is considered hazardous waste. Companies utilizing these processes must follow strict Environmental Protection Agency (EPA) guidelines when dealing with and handling these waste materials.

Not only are uncured resins bad for the environment and expensive to safely dispose, but companies that are deemed “large quantity generators” (LQGs) of hazardous waste face increased government and public scrutiny. For this reason, many in the industry are looking for ways to reduce or eliminate the need to dispose of UV/EB byproducts as hazardous waste.

How It Works

  • 1: First, waste resin is separated into droplets via the gravity comb. This technique eliminates the need for pumps, tubes, and orifices, which can clog and fail.
  • 2: The droplets freefall through a light corridor, which initiates the state change from liquid to solid.
  • 3: The droplets then land on a disposable rotating paper mandrel. The mandrel carries the droplets and exposes them to an intense concentration of UV rays, fully curing each droplet independently.
  • 4: The mandrel is then removed from the W7500 and can be disposed of as common household waste.
Onulis WRAP W7500

Onulis WRAP W7500 Features

  • Automatic timing function and integrated safety features enable unattended operation.
  • W7500’s axial printing architecture minimizes overall size and cost.
  • Through leveraging used or expired resin, operation costs are virtually zero.
  • Patent pending drip comb produces individual droplets for efficient curing.
  • Simple gravity-driven drip system avoids use of pumps, valves, and hoses, which are susceptible to clogs.
  • Onboard carbon filtration system controls fumes.
Full Specifications
Compatible Resins

SL, DLP, PolyJet, etc.

Vat Capacity

7.5 L

Throughput

Cures 30 days’ worth of waste resin in 6 hours

Printed Plastic Stock

14 in. dia. x 8 in. dp. cylinder

System Size & Weight

Standard: 26.5 x 16.5 x 28.7 in.

Extended: 26.5 x 16.5 x 39.2 in.

Weight: 60 lbs

Operating Conditions

Temperature 65 – 95°F (18 – 35°C)

Power Requirements

100 – 120 VAC, 50 – 60 Hz, 6A, 1 phase (switchable to 220)

Consumables

Disposable Tubes (8 pack)

PM Kit, includes:

• Disposable Tubes (8 pack)

• Carbon Exhaust Filters

• Vat with Dispensing Comb

Options

Storage Stand: 28 x 17.5 x 22 in.

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Frequently Asked Questions

Do I need to monitor the W7500 during the printing process?

No, the W7500 is fully automatic and will shut down after six hours or when Disposable Tube is fully printed, whichever comes first. In the event of facility power failure, the machine will automatically shut down.

What can I do with the printed plastic created by the W7500?

The zero-cost plastic is ideal for CNC mills and lathes to generate machined prototypes, jigs and fixtures, or simply to prove a new program which saves potential waste of expensive end-use materials. All printed plastic from the W7500 is safe for disposal as standard household waste.

Can the W7500 be used in an office environment?

The printer comes with built-in carbon filtration; however, it is intended to be used in a well-ventilated warehouse or factory environment. To connect the W7500 to facility exhaust, please contact Onulis for more information regarding an exhaust adaptor.

What resins are compatible with the W7500?

The W7500 is compatible with PolyJet, SLA, and DLP waste resins. The Vat – Standard is currently released for use with PolyJet. Contact Onulis for information regarding SLA and DLP Vats.

Can I mix various PolyJet resins in the Vat?

Yes. All combinations of model or support resins which are caught in the waste reservoir of your PolyJet printer can be placed in the W7500 and full curing will be achieved. The W7500 is also ideal for printing expired resins.

Do I need to filter my resin prior to loading my W7500?

No. There is a built-in filtration system in the Vat, and the supplied Disposable Filler Filter catches larger pieces of debris.

How long does it take to empty a full Vat?

The W7500 will print and cure the 7.5L Vat in approximately 6 hours.

What maintenance does the W7500 require?

After each use, spray the Vat comb with isopropyl alcohol and empty the Resin Catch into the Vat.

Can I re-use the Disposable Tube?

No. Curing additional waste resin on a partially printed Disposable Tube can cause damage to the machine.

What W7500 items are considered consumables?

The Vat and the Disposable Tube Bundle (Disposable Tubes, Light Shrouds, and Filler Filters) are all considered consumables and as such are not covered under the warranty or Total Care Maintenance Plan. Consumables can be ordered through Computer Aided Technology.

The Full WRAP™ Technology Solution

Background

Ultraviolet and electron beam-curable resins have become common manufacturing materials, used across many industries. This is largely due to the global adoption of additive manufacturing. UV/EB resins can be instantly transformed from liquid to solid state, when thin layers or droplets are exposed to the proper wavelength of light. 3D printing technologies such as Stereolithography (SLA), Digital Light Processing (DLP), and Material Jetting (PolyJet) use these resins to quickly create precise plastic parts with complicated features, without the need for costly injection mold tooling, which can take many weeks to produce. Besides 3D printing, many other large industrial companies use UV/EB resins for a variety of applications, including graphic arts, packaging, dental, medical adhesives, and photoresists.

Finished goods created with SLA, DLP, or PolyJet technologies are safe to handle and, if desired, may be disposed of as common household waste. However, each of these technologies generates waste in the form of unused resin, which is uncured. Waste resin in its liquid state is considered hazardous waste. Companies utilizing these processes must follow strict Environmental Protection Agency (EPA) guidelines when dealing with and handling these waste materials.

Not only are uncured resins bad for the environment and expensive to safely dispose, but companies that are deemed “large quantity generators” (LQGs) of hazardous waste face increased government and public scrutiny. For this reason, many in the industry are looking for ways to reduce or eliminate the need to dispose of UV/EB byproducts as hazardous waste.

Current Solutions

Until now, there has not been an easy or automated way for companies to process these resins themselves. There are essentially three solutions commonly used today:

  1. Expose waste resin to sunlight – Unfortunately, only a very thin top layer of resin hardens with this method, so only very thin layers of resin can be processed at a time. This is very time consuming, requires a sunny day, and usually fails to yield a fully cured result.
  2. Pay a hazardous waste company to make scheduled pickups – This method is costly, requires that you house a large collection drum, and can possibly put you on the EPA’s “radar” as an LQG.
  3. Illegally dump the materialsPLEASE NEVER CONSIDER THIS AS AN OPTION!

The WRAP™ Technology Solution

The Onulis W7500 automatically converts UV waste resin into a fully cured solid plastic stock, which can be disposed of as standard household waste. WRAP, the patent pending technology inside, stands for Waste Resin Axial Printing. With WRAP™ technology, you can easily transform hazardous waste resin into disposable plastic stock, avoiding storage and costly disposal.

Smarter Disposal of UV Waste

With the Onulis W7500, the first technology-driven solution for handling UV/EB resin waste, you can avoid time-consuming homespun solutions and expensive outsourcing that can draw unwanted oversight.

The machine allows you to realize 100% usage of your resin purchase by utilizing waste resin to print solid plastic stock, which can be machined into vital components or safely disposed.

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