Weekly Inspection on Injection Molding Machines The operator should check the following items weekly in machine operation.
Read more →Purge Shield of Toshiba Injection Molding Machines 1) Outline In case of the resin is purged (The injection unit is made to retreat from mold touch position for the resin purging out), this device works as the dangerous prevention cover when resin is flew all over the place. 2) Interlock The purge shield is set up limit switch (LS1Z) for the cover closing limit detection. If the purge shield is opened, all operation (injection, charging, the nozzle advance and retract, mold opening and closing, ejection, etc.) is not possible except the swiveling of the injection unit. 3) Notes It is not possible to swivel the injection unit without opening the purge cover. Please open the purge shield when you swivel the injection unit.
Read more →Precautions before Operating Toshiba Inejction Molding Machines (1) Read this manual before operating. (2) Keep this manual for future reference. (3) Secure installation space around the machine according to the foundation drawing. (4) Connecting the power source. Strictly observe the following ordinances of the Ministry of Economy, Trade and Industry when installing the injection molding machine inside Japan. a) Grounding work The customer’s personnel who are qualified to perform such work shall perform grounding work. See the table below for installation resistance for the grounding. And also, please connect a metallic body of peripherals with the machine main earth bar (pole) at the same time. b) Installation of circuit breaker Install a circuit breaker in the electric line of this injection molding machine. Locate this circuit breaker on the power side of or inside the power switchboard. It is recommended that a medium-sensitivity, high-speed type (100 mA) circuit breaker to meet inverter be equipped. (5)Power source voltage Power source voltage fluctuation must be maintained within 10 % range of rated value. (6)Cooling water For the quantity of required cooling water,
Read more →Definition of Safety Plates on Toshiba Injection Molding Machines DANGER Indicates immediately hazardous situation which, if not avoided, will result in death or serious injury. WARNING Indicates potentially hazardous situation which, if not avoided, could result in death or serious injury. CAUTION Indicates potentially hazardous situation which, if not avoided, may result in minor or moderate injury. It also indicates hazardous situation, which may result in property damage.
Read more →The Graph of Injection Pressure and Back Pressure for Injection Molding Machines By TOSHIBA MACHINE CO.,LTD. The machine uses units of Injection pressure and back pressure in MPa while the machine controlled by hydraulic pressure use unit of pressure in %. The following shows the graph of the machine controlled by hydraulic pressure.
Read more →Graph of Injection Speed in Toshiba Injection Molding Machines By TOSHIBA MACHINE CO.,LTD. The machine uses units of speed mm/s while the machine controlled by hydraulic pressure uses units of speed in %. The following shows the graph of the machine controlled by hydraulic pressure (mm/s ／%).
Read more →How to Shut Down a Injection Molding Machine Correctly By TOSHIBA MACHINE CO.,LTD. Shut down the machine by following the procedure below. NOTE: The shutdown procedure may vary depending on the specification of the molding machine. [1] Press [MOLD SET-UP] of the OPERATION selector button. [2] Press [CLOSE] of the MOLD button to close the mold. [3] Press [INJ] of the SCREW button continuously and purge all resin in the barrel until screw advance limit. NOTES: In case of using thermal unstable resin, the resin inside the barrel should be exchanged with thermal stable resin. [4] Press [SERVO] of the PREPARATION button to turn off the servomotor. [5] Press [BARREL] of the HEATER button on the operational controller to turn off the barrel heater. [6] Turn off the main breaker of the machine. ※Turn off the main breaker (NFB) on the injection side of the control cabinet.
Read more →How to Stop the AUTOMATIC Operation on injection Molding Machine By TOSHIBA MACHINE CO.,LTD. Stop the AUTOMATIC operation by following the procedure below. [1] Press [SEMI-AUTO] of the OPERATION selector button. [2] After the completion of one cycle operation, the machine stops at the mold opening limit and at the ejector advance limit. Then press [SET-UP] of the OPERATION button. [3] Press [RETRACT] of the EJECT button until the LED lights. [4] Press [RETRACT] of the NOZZLE button to retract the nozzle tip from the mold.
Read more →AUTOMATIC Running Operation on Injection Molding Machine By TOSHIBA MACHINE CO.,LTD. AUTOMATIC operation carries out continuous operation from mold closing to product ejection. (The following descriptions are given on condition that resin has been supplied and barrel heating up has been completed before starting operation.) Use the operation controller to operate the machine by following the procedure below. [1] Press [AUTO] of the OPERATION selector button. [2] Confirm whether there is no residual substance in the mold. [3] Press the [CYCLE] push button. The machine starts one cycle operation automatically. NOTES: Machines with 1200mm or larger distance between tie rods require safety gate open/close movement before pushing [CYCLE] push button. Feel Free to Contact Us if Any Questions
Read more →SEMI-AUTOMATIC Operation on Injection Molding Machine By TOSHIBA MACHINE CO.,LTD. SEMI-AUTOMATIC operation carries out one cycle operation automatically from mold closing to product ejection. (The following descriptions are given on condition that resin has been supplied and barrel heating up has been completed before starting operation.) Use the operation controller to operate the machine by following the procedure below. [1] Press [SEMI-AUTO] of the OPERATION selector button. [2] Confirm whether there is no residual substance in the mold. [3] Press the [CYCLE] push button. The machine starts one cycle operation automatically. NOTES: Machines with 1200mm or larger distance between tie rods require safety gate open/close movement before pushing [CYCLE] push button. [4] Open the safety gate and take out products from the mold. Or confirm whether there is no residual substance in the mold. NOTES: 1) If there is no pushing [CYCLE] push button after the completion of one cycle operation and after TR4 time-out, warning buzzer sounds within a few seconds. 2) To continue the SEMI-AUTOMATIC Operation, repeat [3] and [4] procedure. 3) The machine can’t start SEMI-AUTOMATIC operation
Read more →Locations of Safety Devices and Plates of Toshiba Injection Molding Machines This machine is provided with electrical safety devices, mechanical safety devices, emergency stop buttons, and the purge shield. In addition the machine is attached with DANGER, WARNING, and CAUTION plates. Observe the precautions noted on these plates.
Read more →
