Tagged With: polyurethane
When To Invest In A Sharkfin Board Turning System?
The Shark Fin Board Turning System is a remarkable solution when simplicity and necessity combine. Developed in response to lumber graders suffering chronic wrist injuries due to flipping lumber, Shark Fin’s simple gravity powered system flips the boards for the graders: preventing injury and letting graders do what they’re supposed to…Focus on grading wood. The … Continue reading
Polyurethane vs. UHMW
Regarding sprocket applications in particular it seems the default request in 2020 is for “UHMW” sprockets. Indeed, UHMW is used in some sawmill sprocket applications and is widely used elsewhere in sawmills as wear parts. However, the material is not ideal for use in either a drive or idler sprocket – why is this so? … Continue reading
How To Get Your Deadplate Quoted
Redco Deadplate is an elastomer designed to work as a shock absorber – it takes the energy of impact and transfers it into heat. In the sawmill applications it was designed for, Deadplate takes the impact of the logs or lumber, stopping their momentum and allowing them to continue through the mill. This usually results … Continue reading
Why Is Polyurethane Used So Often In Sawmill Applications?
We occasionally hear from our sawmill customers “You guys want to stick urethane in everything!” The comment isn’t to be mean but it reflects the fact that many applications and problems we are tasked with solving end up with a polyurethane solution. For many people they are surprised that polyurethane can serve any “industrial” applications … Continue reading
If You’re Experiencing These Problems, Plastics Can Help
This article is non-specific in that it doesn’t discuss a single plastic or application. It is geared towards those involved in maintenance at sawmills, planar mills, and OSB plants when something is wrong and a solution isn’t self-evident. In what type of situations should you consult with a knowledgeable plastics distributor, such as Redwood Plastics … Continue reading
Custom Redco 750 SN Bearing Inserts
Redwood Plastics and Rubber offers a series of six molded polyurethane inserts for SN bearing systems. Part numbers R-1150 to R-1155 cover bores 1-15/16″ to 3-15/16″ but what if you have a larger bearing? The news is good as we can absolutely manufacture larger sizes! We just need a part number for the original bearing … Continue reading
Differences Between Redco SPS-2000 and Synsteel
Redwood Plastics and Rubber offers two “pulp safe” plastics and while they might appear to be interchangeable or similar, they’re really not, and have both different properties and applications. In fact, it’s critically important to know where each should be used. SPS-2000 is meant to dissolve in the kraft mill chemical process and should be … Continue reading
Sawmill Application Solutions Video
“Seeing is believing” goes the old cliche and while we can talk about using plastics in sawmills, OSB, or planar mills, nothing beats seeing these solutions in action! Fortunately, Redwood Plastics and Rubber has created a short minute and a half video on YouTube showing a few of these applications in use. Highlighted in the … Continue reading
Redco 750 L- Channel For OSB Mills
One of our recent solutions has been replacing UHMW L-shaped channel for chain runs in OSB mills with Redwood Plastics and Rubber Redco 750 polyurethane. The issue is that the chain creates too much heat on the UHMW plastic warping it and causing it to bubble. Redco 750 bears more load and its properties appear … Continue reading
Custom Colored Polyurethane Parts
Polyurethane is one of the main plastics used for sawmill applications. Everything as diverse as kraftmill safe machined U-channel, to sprockets, Shark Fin lugs, and bearings. Softer urethane being used for Redco Deadplate or other shock and vibration dampening products. Most of the time for customers color isn’t important but sometimes a mill manager or … Continue reading