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VARIO PRESS 300

VARIO PRESS 300
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VARIO PRESS 300

Product catalog summary
Introduction
The VARIO PRESS 300 series furnaces are designed for firing and pressing dental ceramics, incorporating advanced technology to ensure optimal ceramic processing. They comply with EU directives and are built for long-term performance and quality results.
Setting Up the Furnace
Inspect the furnace for damage upon receipt and contact the dealer if necessary. Due to its weight, setup requires two people. Connect the vacuum pump and compressed air supply as instructed, ensuring proper pressure settings. Use the supplied power cord for electrical connections, and avoid using the furnace with other high-power appliances on the same circuit.
Basic Settings
Initial setup includes configuring standby and night mode temperatures, date and time, temperature units, and display settings. A drying program and vacuum test are automatically run to ensure proper operation.
Main Menu Operations
The main menu allows users to run, edit, and manage programs, including setting up the oven, adjusting temperatures, and performing diagnostic tests. USB transfer capabilities are included for program management.
Safety Instructions
Adhere to safety guidelines to prevent injury or damage. Avoid flammable materials near the furnace, ensure proper ventilation, and use the furnace only for its intended purpose. Regular maintenance checks on hoses and connections are recommended.
Maintenance
Regular maintenance includes checking the water separator, filter elements, and replacing spare parts as needed to ensure optimal performance.
Technical Data and Service
Technical specifications and service information are provided to assist with troubleshooting and repairs. Only authorized personnel should perform maintenance.
Program Examples
Examples of press and firing programs are included to guide users in achieving desired results with various ceramic materials.
Processing Lithium Disilicate
Detailed instructions are provided for processing Lithium Disilicate, including investment, mixing, pressing, and devesting procedures to ensure high-quality outcomes.
Safety Precautions
1. Turn off the furnace and allow it to cool before maintenance to avoid electrical shock or injury.
2. Do not attempt unauthorized repairs.
3. Use original spare parts for servicing.
Muffle Dust Exposure
The furnace contains refractory ceramic fibers and crystalline silica, which may pose health risks if inhaled. Use protective gear when handling these materials and dispose of waste properly. California Proposition 65 requires a warning about cancer risks associated with these substances.
Program Types
1. Professional Program: Offers customizable parameters for dental ceramics.
2. Standard Program: Provides standard firing management.
3. Special Program: Suitable for ceramics requiring dual holding times or heat rates.
4. I-Press Program: Optimizes pressing results for ceramic restorations.
5. Sinter Program: Available upon request for sintering alumina framework ceramics.
Conclusion
Follow all safety guidelines and use the furnace as instructed to ensure optimal performance and safety.
Program Specifications
Includes start temperature, pre-dry options, soak temperature and time, heat rates, final temperatures, and vacuum settings.
I-Press and Press Programs
Details on start temperature, heating rate, final temperature, hold time, pressure, and vacuum level for different ceramic weights and requirements.
Sintering Program
Includes temperature rises, hold times, and open temperature for sintering processes.
Advanced Press Program
Patented process for lithium disilicate ceramics, optimizing heat distribution and minimizing reactive layers.
Program Management
Instructions for copying, moving, and erasing programs, including brand management and USB transfer capabilities.
Oven Setup and Maintenance
Recommendations for idle and night mode temperatures, calibration, vacuum settings, diagnostics, and display/audio settings.
Recommendations
Use night mode to prevent moisture and contamination. Ensure the first program after night mode is a warm-up program.
Stand-by Temperature and Warm-up Program
The furnace enters stand-by mode 30 minutes after a program ends if not closed, maintaining a fixed temperature to save energy and prevent impurities. Activate the warm-up program for uniform heating before starting work.
Maintenance Procedures
Regular maintenance includes monitoring the water separator and replacing filter elements for compressed air and vacuum pumps.
Technical Data
The VARIO PRESS® 300 series furnaces have specific dimensions, weight, voltage, and current requirements, operating within a temperature range of 20°C to 1200°C with a maximum vacuum of 985mbar.
Scope of Supply
Includes components such as a power cord, operating system CF card, firing tray, pressing tray, compressed air hose, pressure reducer, long tweezers, inline filter for vacuum hose, vacuum hose, and warranty cards.
Press and Firing Programs
Detailed press and firing programs for different ceramic materials, including temperature settings, pressure levels, and vacuum requirements.
Processing of Lithium Disilicate
Use high-quality investment materials and maintain proper mixing and burnout procedures for optimal results.
Positioning and Preparation of Rings in Burnout Furnace
Guidelines for ring placement, hold time adjustments, and investment ring preparation.
Spruing and Ring Size Selection
Details on sprue dimensions and ring size selection based on pattern and pellet weight.
Investing Process
Instructions for using a moist mixing bowl, weighing components, and ensuring consistent mixing procedures.
Pressing with VARIO PRESS 300
Guidelines for pressing without pre-heating the ingot or plunger, using standard programs, and optimal press times.
Divesting Process
Instructions for divesting, including rough and fine divesting pressures and techniques to avoid damaging object margins.
Advanced Press Programs
Programs tailored for specific investment materials to optimize results.
See more

Catalog excerpts

VARIO PRESS 300-1

VARIO PRESS® 300 VARIO PRESS 300.e ® dental & technik

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VARIO PRESS 300-2

Intentionaly blank

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VARIO PRESS 300-3

0.1 Statement of compliance 0.2 General 0.3 Setting up the furnace Page 6 0.4 Basic Settings 0.5 Use within specifications 0.6 Hints for your safety 1.3.1 Change idle temperature 1.3.2 Change night temperature 1.3.4 Vacuum pump operation 1.3.6 Diagnostic tests O Run pre-heat/dry program © Run purge program © About version © Update software © Service tests 1.5. Start night mode Page 28 2.2 Filter element for compressed air supply 2.3 Filter element for vacuum pump processing of Lithium Disilicate VARIO PRESS 300.e 6.1 Investment It is critical that the user completely read the operating...

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VARIO PRESS 300-4

Conformity Declaration Zubler Geraetebau GmbH Buchbrunnenweg 26 89081 Ulm-Jungingen, Germany www.zubler.de The correct processing of modern dental ceramic materials is placing even higher demands on dental technicians. We believe that the VARIO PRESS 3 00 furnaces meet these requirements by providing the latest technology for current and future ceramic processing. In the event that the packaging materials and/or the ceramic furnace appear to have been damaged contact your dealer (see Page 32) immediately and do not unpack the product. hereby declare, that the ceramic furnace product VARIO PRESS...

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VARIO PRESS 300-5

Compressed air connection The smaller of the white boxes contains the accessories needed for the compressed air connection. Use the two screws provided to connect the pressure regulator vertically to the housing of the vacuum pump or secure it elsewhere in the laboratory in the immediate vicinity of the furnace. Measure the distances from the compressed air supply to the pressure regulator and from the pressure regulator to the ceramic furnace. Split the blue compressed air hose into two lengths of hose accordingly. Use one part of the blue compressed air hose to connect the output connector...

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VARIO PRESS 300-6

0.4 Basic settings Once you have turned on the device, and the firing or pressing tray has been put in, you can enter the basic settings. The oven will prompt you to enter a few basic settings in preparation for use. Please enter the following: Main menu == additional settings == basic settings = Enter 2. Set the night mode temperature 6. Activate the parameter preview „yes" or„no" 7. After completing the basic settings the furnace automatically runs a drying program, to remove any possible residual moisture resulting from transportation or storage (duration approx. 20 min.) 8. Once the drying...

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VARIO PRESS 300-7

I Use the special cooling grid to cool the investment ring after a pressing process. I Please unpack the oven with caution. The oven should always be carried by two persons. Always lift the device at the bottom, never at the furnace chamber or table slide bar. I The oven must always have a firing or pressing brick on the lift table. I A furnace with a pressing function must always be conneced to compressed air, even during normal vacuum firing, so the pressing plunger remains “up” in its starting position. I During operation never place your hand between the lift table and the furnace chamber....

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VARIO PRESS 300-8

0.6 Notes for your Safety ■ Side port cover on the side of the furnace should always remain closed. ■ The oven must be turned off before removing or inserting the USB stick. ■ The air vents must be kept free from obstruction and clean at all times to allow proper air circulation. If this is not done, there is a risk of overheating the furnace. Conflict ■ Make sure that no liquids or other foreign objects enter the furnace or the air vents, as this may result in an electrical shock. Conflict ■ The lift of the furnace has an electrical lift drive and has to be operated by the "Open" and "Close"...

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VARIO PRESS 300-9

■ Use this furnace only for its intended purpose as described in this Owner's Manual and carefully remove all packing materials and tape during installation. ■ The furnace may only be used indoors. ■ Materials developing harmful gases must not be processed in this furnace. ■ This furnace must be plugged into a properly grounded circuit. If you have questions regarding the proper circuit, contact a licensed electrician. ■ Any disruption of the protective conductor, either inside or outside the furnace, or any loosening of the protective conductor connection may lead to danger for the user in case...

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VARIO PRESS 300-10

■ Be sure that the furnace is properly installed per our instructions and that the selected electrical outlet is properly grounded. ■ The electrical service provided must be a dedicated line of the proper size according to local electrical codes. Consult a qualified electrician to ensure that your amperage is sufficient to prevent burdening of any existing circuit. ■ Do not use an extension cord with the furnace. Check with your utility provider for electrical codes, which apply in your area. ■ In case of undervoltage, the temperature increase may be delayed. ■ Compressed air systems must meet the...

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VARIO PRESS 300-11

■ In case of a service, use only original spare parts. ■ Unauthorized changes or modifications to hardware or software can create severe safety hazards, as well as terminate your warranty. ■ Children and untrained visitors should never be left alone or unattended in the area where a furnace is in use. They should never be allowed to climb or stand on any surface, where the furnace is situated and being operated from. Items of interest to children should not be stored in and around the furnace. Children climbing on and around the surface where furnace operates could be seriously injured. ■ Do...

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VARIO PRESS 300-12

Main menu Selection of menu parameters Display functions Once you have switched on the oven, the Main Menu will appear on the display with the following five items: 1.1 Edit programs Setup oven Start night mode Oven type Circle dialer Current temperature MAIN MENU 450°C Run Programs Edit Programs Setup Oven Run warm-up program Please select your desired menu parameters using the dialer or the +/- keys Start night mode Confirm your selection with the green “Enter” key Enter Section for selecting parameters Confirm / cancel key Lift movement Up/Down Section for changing values Rapid selection (circle...

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.