FACTS recently completed an overhaul of a wide multi- layer Barrier Cast Film Line. The line was originally installed in 1996 with FACTS supplying the control and measurement system for the entire … [Read more...]
Upgrading FACTS QNX systems to FACTS FCS
April 24, 2013
FACTS Inc. continues to innovate and invest in new forward thinking technology. One of the advancements that we have made over the past few years is the development of a LINUX based control system … [Read more...]
A General List of Extrusion parameters to Control or Monitor
September 20, 2008
In developing control systems, FACTS monitors and controls various parameters in the extrusion process. Below is a starter list. Extrusion Control Points Blending ratios of multiple … [Read more...]
Extrusion Control – Automated Solutions Answer Problems left by Numerous Discrete Controls
September 15, 2008
The control system is an integral part of the extrusion machinery and extrusion process. It has a very large impact on the productivity, quality, uniformity, and cost per production unit for the … [Read more...]
Calender Fabric Issues Affecting overall Calendered Rubber Gauge
September 9, 2008
The following relates to fabric calenders, both textile and steel cord only. Localized cord disturbance in cord distribution does not usually affect fabric weight, whereas overall cord distribution … [Read more...]
A Consistent Mill Feed Will Substantially Reduce Gauge Variations
September 9, 2008
A consistent feed to the calender will substantially reduce gauge variations. Consistent, uniform, dwell times on the break down and feed mills, as well as consistent bank size, will result in … [Read more...]
Calender Speed Changes Result in Undesirable Gum Wall Thickness Changes
September 8, 2008
When the calender is running there are forces generated that try to separate the rolls. These separating forces are proportional to calender speed, although the relationship is not linear. The … [Read more...]
Increase Roll Temperature when the Calender is Stopped
September 8, 2008
Increase the temperature by 20 to 40 degrees F when the rolls are stopped to maintain a more uniform roll surface temperature. The TCU (Temperature Control Unit) controls the temperature of the water … [Read more...]
Keep your Calender Running During Warm-Up and Cool Down
September 8, 2008
Severe thermal run-out can be introduced during warm-up of the calender if it is not kept running. Remember that the calender gap will be reduced as the rolls grow (get larger) as their temperature … [Read more...]
Limit Force Induced Gauge – Keep the Calender Running
September 7, 2008
Keep the calender running – stops cause the rolls to become egg shaped and introduce significant gauge thickness variation. When the calender is stopped, roll heat loss is not uniform around the … [Read more...]
