Lee's Summit, Mo. — Maruka USA has introduced the new Toyo Electric Si-6s series injection molding machine, which it says adds a literal "twist" to the automatic purge.
When the screw is fully retracted during auto purge, it allows the extruder servo motor to oscillate it back and forth at high speed almost like a washing machine. The screw oscillation scrubs off material, reducing time and material waste by 50 percent, according to a news release from Maruka.
Customers also can use the process to remove black specks in clear parts that may affect quality without pulling the screw and having it cleaned. Maruka said this feature is a game changer for Toyo customers when it comes to resin and color changes.
"Most machines are equipped with an 'auto purge' feature that will automatically build a full shot and purge it out a set number of times which results in lost time and material. This Toyo feature adds a literal 'twist' to auto purge," the release said.
Founded in 1968, Lee's Summit, Mo.-based Maruka USA distributes plastics processing, metal working and fabrication machines and equipment. The business is the exclusive North American distributor of Toyo Electric and FCS servo hydraulic injection molding machines.
Other Toyo electric Si-6s features include an enhanced controller format with features that assist in material and cycle time savings and improve part consistency and repeatability; a fill-only feature that takes the guess work out of checking first-stage fills; and an option called Meltcon that automatically adjusts the melt viscosity by measuring the injection pressure at a certain speed.
"Meltcon then automatically adjusts the temperatures, in a specific range, so the melt viscosity is kept in the preset range thus eliminating part variations from outside factors and making more repeatable consistent parts," the release stated.
Maruka said the Si-6s is a continuation of machine series introduced in 2015 and manufactured in Japan. The business said in a study of more than 700 Si-6 machines in production over the last five years, the total average annual cost for parts and service is under $350 a year.
The company is a subsidiary of Maruka Corp, an international trading company founded in Japan in 1946.
For more information, go to marukausa.com.