Forums
New posts
Search forums
What's new
New posts
Latest activity
Articles
Members
Current visitors
Log in
Register
What's new
Search
Search
Search titles only
New posts
Search forums
Menu
Log in
Register
Install the app
Install
Forums
Community discussion
Fixed
Bridge expansion
JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding.
You are using an out of date browser. It may not display this or other websites correctly.
You should upgrade or use an
alternative browser
.
Reply to thread
Message
<blockquote data-quote="number1" data-source="post: 156181" data-attributes="member: 7070"><p>Good morning.</p><p> </p><p>How do I adjust my investment ratio for better fitting long span bridges? I follow the wax/sprue techniques in some of the forums and use Fast Fire investment. 30 minute bench set with a 60 minute burnout at 1450. After casting, bench cool to touch. I find that the individual units fit ok, but the bridge as a whole does not. It seems to only happen on big bridges with multiple pontics. Simple 3 or 4 unit bridges are no big deal. Is there any merit to adjusting the ratio? And if so, which way?</p><p> </p><p>Thanks</p></blockquote><p></p>
[QUOTE="number1, post: 156181, member: 7070"] Good morning. How do I adjust my investment ratio for better fitting long span bridges? I follow the wax/sprue techniques in some of the forums and use Fast Fire investment. 30 minute bench set with a 60 minute burnout at 1450. After casting, bench cool to touch. I find that the individual units fit ok, but the bridge as a whole does not. It seems to only happen on big bridges with multiple pontics. Simple 3 or 4 unit bridges are no big deal. Is there any merit to adjusting the ratio? And if so, which way? Thanks [/QUOTE]
Insert quotes…
Verification
Who do we work for?
Post reply
Forums
Community discussion
Fixed
Bridge expansion
Top
Bottom