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Sprueing

HELPFUL HINTS: Sprueing

HELPFUL HINTS: Sprueing HELPFUL HINTS: Sprueing 1. Good sprueing techniques are essential to obtain good castings. Metal should be able to enter the mould cavity quickly and easily without restriction.

ADA.org: Accreditation Standards for Dental Laboratory ...

Accreditation Standards for Dental Laboratory Technology Education Programs ADA.org: Accreditation Standards for Dental Laboratory Technology Programs

An introduction

Continued reliable results have been acquired when crucibles are preheated to 400° to 650° C (750° to 1125° F) Atmosphere and cover gas: Partial removal of atmosphere with vacuum pressure in a sealed casting chamber and backfilling with an inert gas such as argon Sprueing: Shorter, heavier sprues ...

INSTRUCTIONS FOR USE

The following sprueing guidelines must be observed: Investment ring base Wax wire ø Wax wire length Length wax wire including object Attachment point at the wax object Sprueing angle to the wax object Sprueing angle to the investment ring base Design of the attachment points Distance between objects Distance to ...

Platinum Guild International USA

ABSTRACT This paper explores the result of breaking out of the old paradigm considered the conventional wisdom of platinum casting - breaking all the rules around flask size, type and configuration, investment mixtures and de-watering, sprue size and configuration, as well as how tall the tree ...

to metal ceramic framework design

Schematic illustration of the single sprueing, dimensions for ceramic bonding alloys. The crowns are close to the wall of the muffle outside the center of the heat and are able to cool first.

For long spanned bridges, use additional sprues to connected ...

SPRUEING: A- Direct for single units. Sprueing should be ¼ (6 mm) in length. Based on the size and the thickness of crowns, use 6-8 gauge sprues.

www.cmsa.ch/dental 2. Sprueing system

1 / 4 09.2010 Dental Cendres+Métaux SA Rue de Boujean 122 CH-2501 Biel/Bienne Phone +41 58 360 20 00 Fax +41 58 360 20 11 info@cmsa.ch www.cmsa.ch/dental Esteticor Implant

Sprueing

Sprueing sprueing Up for Spring When the snow melts and the ground hidden among the busy childrJn. Can trumpet, toothbrush, gLove, hammer, seal, frog, fish, and book? 46 thaws, it's time to plant your garden.

CERACAST

Sprueing should be ¼ (6 mm) in length. Based on the size and the thickness of crowns use 6-8 gauge sprues. B- Indirect, for multiple units. Use straight 8 gauge sprue, about 1/8” (3 or 4 mm) in length, and connect it to the unit.