Strongsville, Ohio, USA, April 9, 2019 – Rafter Equipment Corporation has shipped twelve (12) RT-2500 Heavy-Duty Idle Side Roll Stands to a North American tube producer. The idlers will replace the original sizing & reshaping units on multiple rafts supplied by the company dating back to 1997. The new design employs a geared, push-on-center design making them more robust and easier to adjust. Other features include flip-top retainers, bolt-in roll shafts, and a built-in centering bar.
Below photo taken by customer showing the installation.
Strongsville, Ohio, USA, February 11, 2019 – Rafter Equipment Corporation has shipped four (4)
RT-4500 single-sided turkshead straighteners to a major North American HSS tube producer. The turksheads are duplicates of previous supplied units and will be used to improve changeover times of the mill.
Strongsville, Ohio, USA, February 1, 2019 – Rafter Equipment Corporation has shipped a RT-2000L
2-roll HFI weld squeeze box to a North American tube producer. The weld box is a retrofit to an existing Yoder M-1-1/2 tube mill that is being converted from ERW to HFI welding. The product mix on this mill is perfect for a simple 2-roll solution.
Strongsville, Ohio, USA, January 22, 2019 – Rafter Equipment Corporation has shipped a
RT-3000S/3500S high-speed HSS tube mill to a major North American tube producer. The mill is capable of making 2-1/2" square x 0.250" wall HSS tube at 400 FPM and lighter gauges up to 600 FPM. The mill is rafted for quick-changeover and includes an automatic universal drive shaft handling system. The reshaping section includes heavy-duty RT-3500S driven and idle side roll stands. A double-sided turkshead straightener with 2-axis remote adjustment with position feedback allows the operator to make straightness corrections from the downstream cutoff station. Offline raft changeover tables were included. An integrated rolling trolley with hydraulic push/pull device makes for quick and easy handling of the outboard roll stand housings.
UPDATE May 17, 2019: Line commissioning began this week and the mill performed as expected.
Strongsville, Ohio, USA, November 11, 2018 – Rafter Equipment Corporation has supplied a retrofit
RT-2500S 2-roll HFI weld squeeze box to a major North American mechanical tubing producer. A new design was required to replace an inadequate 2-roll design from another supplier while still utilizing the existing roll tooling. The weld box is sized for up to 4.500" OD x 0.160" wall HSLA tube. It is significantly more robust than the unit it replaced. Operator feedback on the new unit has been very positive.
Strongsville, Ohio, USA, February 16, 2018 – Rafter Equipment Corporation has shipped an RT-4000S single-sided turkshead straightener with 2-axis motorized adjustments to a major North American heavy-wall tube producer. The turkshead is capable of straightening up to 3.500" OD x 0.300" wall (88.9mm OD x 7.6mm wall) tubing. It includes motorized up/down and left/right adjustment so that tube straightness can be controlled from a remote downstream position using a simple joystick device. Linear displacement transducers (LDTs) indicate movement and position for optimum straightness control on the included remote operator's console.
The turkshead includes a removable faceplate design that allows for the roll tooling to be exchanged offline while laying down. A second faceplate was included for enhanced quick-change capabilities.
Strongsville, Ohio, USA, February 5, 2018 – Rafter Equipment Corporation continues to please customers with the company's robust 3-roll HFI weld squeeze boxes. The unique heavy-duty design has successfully replaced scroll-chuck and other various designs because of its ability to handle both heavier wall thickness and/or high strength, low alloy (HSLA) steels.
Strongsville, Ohio, USA, December 28, 2017 – Rafter Equipment Corporation has shipped a pair of RT-2500S Driven Reshaping Roll Stands to a major North American stainless steel tube manufacturer. The equipment was the final piece of a series of mill upgrades the customer used reconfigure an old TIG welded mill into a new HFI welded mechanical tube mill. The stands will reshape round tubing formed with a bottom-of-tube constant datum into equivalent squares & rectangles with a constant centerline datum. The maximum reshaped tube will be 2½” square x 0.135” wall thickness.
The stands represent a new design with increased robustness and easier setup and operation. The company worked with the customer to determine what improvements could be made over the previous design while still keeping within the original budget.
Strongsville, Ohio, USA, February 27, 2017 – Rafter Equipment Corporation has shipped a new RT-2000S strip entry table, HFI weld squeeze box, and double-sided turkshead straightener to a North American tube producer. The equipment will replace equipment on a Yoder Manufacturing QVW-250 tube mill that was not robust enough for the tubular products being produced.
Strongsville, Ohio, USA, November 29, 2016 – Rafter Equipment Corporation has shipped a new RT-2500 forming and sizing "tube mill re-top" to a North American mechanical and sprinkler tube producer. The equipment will replace older Yoder and home-made tube mill equipment that is worn, difficult to maintain, and has outlived its useful life.
Strongsville, Ohio, USA, May 3, 2016 – Rafter Equipment Corporation introduces a new patented
Mill-Flip® quick-change technology that allows producers to achieve mill changeovers in 15 minutes or less. The major benefits of this technology are as follows:
For more information and benefits, please contact the sales department or visit the company's website.
Strongsville, Ohio, USA, December 10, 2015 – Rafter Equipment Corporation has shipped yet another of the company's popular 3-roll HFI weld squeeze boxes to a major North American sprinkler pipe and mechanical tubing producer. As stated before, the newer design has become the choice replacement for heavy-duty applications where traditional "scroll chuck" weld box designs fail to perform.
Strongsville, Ohio, USA, November 2, 2015 – Rafter Equipment Corporation has completed a new RT-2000S HFI tube mill and has it is ready for shipment to a major North American aluminized carbon/stainless steel tube producer. The mill is designed to produce tubing from 0.500" OD x 0.038" wall minimum to 2.000" OD x 0.120" wall maximum.
Strongsville, Ohio, USA, July 16, 2015 – Rafter Equipment Corporation has shipped a RT-5500 Seam Orientation Unit (SOU) to a major North American tube producer. The equipment will be added to the customer's existing tube sizing mill for the purpose of positioning the weld seam prior to reshaping the tube into squares and rectangles. The SOU is adjusted electrically and can be controlled remotely from a downstream position if desired.
Strongsville, Ohio, USA, July 6, 2015 – Rafter Equipment Corporation has shipped a new RT-2000 raft set for a major North American tube producer. The equipment will replace older Abbey Etna 2KU tube mill equipment that is worn and has outlived its useful life. With a future second raft set, the customer will be able to take full advantage of the "rafted" mill quick-change concept.
Strongsville, Ohio, USA, January 27, 2015 – Rafter Equipment Corporation has delivered three (3) RT-2500S HFI weld squeeze boxes for a major North American mechanical tubing producer on their Kusakabe tube mill. The new boxes will replace the customer's existing 3-roll "scroll chuck" style boxes that were not strong enough for the heavier wall thicknesses and higher yield strength materials that needed to be produced. Because the boxes needed to be more robust but still occupy the same footprint, a new design was required.
Strongsville, Ohio, USA, January 23, 2015 – Rafter Equipment Corporation has completed a RT-7000 weld squeeze box for a major North American tube producer. The box is part of an upgrade to the customer's existing HFI tube/pipe mill. It is sized for up to 8.625" OD x 0.500" wall (219 mm OD x 12.7 mm wall) HSLA steel pipe. The design includes motorized push-on-center squeeze roll adjustments, linear displacement transducers, high-capacity tapered roller bearings within the roll tools, and a removable head roll assembly for quick-change. A second removable head was included to speed the changeover process even more.
Strongsville, Ohio, USA, December 19, 2014 – Rafter Equipment Corporation has shipped a RT-2000 HFI weld squeeze box to a North American producer of mechanical tubing. The box is part of an upgrade to the customer's existing Yoder M-2 tube mill. The purpose was to provide stronger, more reliable design that was better able to survive the customer's relatively harsh environment and run higher yield-strength materials.
Strongsville, Ohio, USA, October 8, 2014 – Rafter Equipment Corporation has shipped a refurbished Turek & Heller (T&H) model WU-20 tube mill to a North American producer of electrical conduit tube. The owner of the mill approached the company to rebuild the machine which had been sitting in their warehouse for several years.
In addition to the rebuild, the company made several upgrades to the mill. These included new idle side roll stands, single-point adjustments (SPA) for the top roll shafts on the driven roll stands, a new drive train necessary to achieve 1,000 FPM production speeds, and a new mill drive electrical package.
Strongsville, Ohio, USA, October 25, 2013 – Rafter Equipment Corporation has finished a new RT-2000S raft set and double-sided turkshead straightener for a North American tube producer. The equipment will replace older American Electric Fusion (AEF) tube mill equipment that is worn and has lived its useful life.
The company reversed engineered the raft plates and drive shaft connections so that they would work with the existing equipment. The new driven and idle side roll stands will include updated quick-change features and be more robust than the ones they replace. The turkshead will offer the same improvements.
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