injection molding platen bolt torque guide

MOVABLE PLATEN SUPPORT STRUCTURE FOR INJECTION MOLDING …- injection molding platen bolt torque guide ,a movable platen support structure for an injection molding apparatus, comprising: a linear guide mechanism via which a movable platen of the injection molding apparatus is mounted on a bed for horizontal movement, the linear guide mechanism including a plurality of rails provided in parallel spaced apart relation to each other in a width …UNDERSTANDING SELECTION OF INJECTION MOULDING …A Guide to Injection Moulding of Plastics Foreword Preface Contents Summary ... CLEARANCE BETWEEN TIE BARS AND PLATEN SIZE. ... The option of high torque, medium torque and low torque hydromotor is now available. Normal (medium torque) hydromotor can be suitable for moulding most of the polymers with the exception of high viscosity polymer like ...



What is mold clamp bolt torque? - LinkedIn

Feb 22, 2020·Torque is the stretching of the bolt and platen threads to maximize the strength of the fastener or mold clamp. The mold clamp bolt torque will be much higher than the …

Injection molding: The manufacturing & design guide - Hubs

It usually makes up the largest portion of the start-up costs in injection molding: the cost of a typical mold starts at approximately $2,000-5,000 for a simple geometry and relatively small production runs (1,000 to 10,000 units) and can go upwards to $100,000 for molds optimized for full-scale production (100,000 units or more).

Injection Molding Blog | Magnetic Platen Manufacturer - HVR MAG

Aug 15, 2022·admin 12/07/2022 Leave a Comment. A plastic injection molding factory in Zhongshan City, Guangdong Province introduced 3 sets of magnetic quick mold change systems from HVR MAG. The clamping tonnage of the injection molding machines matched with the 3 sets of magnetic platens is 650 T, 850 T, and 1000 T respectively. Continue Reading ».

What Is Mold Clamp Bolt Torque?

Feb 22, 2020·The over-torquing of the mold clamp bolts strip the platen threads and actually raises the area around the threads and may cause the mold to sit unparalleled in the platen. Once you have over-torqued mold clamp bolt threads, the threads do not relax to the original condition. This is what causes Gaulding of the threads.

Torque Values For The Clamp Bolts… - routsis.blog

The torque rating is based on what the bolt can safely sustain… not necessarily how it should be used. Since the machine platen is typically cast, the threads are significantly weaker than the …

Proper Torque Value for Clamping Mold to Platen

The two main factors would be the weight of the mold, and the condition of the platen… many industry people would recommend generic values around 80-120 but they usually assume ideal situations. Additional Thoughts Keep in mind, the clamp functions by stretching a bolt to apply a bending force to the clamp which is held back by the platen threads.

US6776605B2 - Mold mounting plate of an injection molding

Such a mold mounting plate minimizes torque transmission to the column-like holding and/or guide elements of an injection molding machine as a result of the deformation of the mold mounting plate. ... Machine platen and an injection molding machine US20070246860A1 (en) * 2006-04-19: 2007-10-25 ...

A guide to sizing injection molding machines

Aug 19, 2020·Most molding machine manufacturers present injection unit specifications based on PS. But the performance data will be different for other materials. For example, a screw with 9,698 cubic centimeters of volumetric capacity will process 8,825 grams of PS at 26,397 PSI. This is based on the material’s melt factor of 0.91 gram per cubic centimeter.

Philosophy of Troubleshooting Injection Molding Problems

Nov 10, 2015·Injection 1 PLASTICS ENGINEERING COMPANY SHEBOYGAN, WISCONSIN 53082-0758 U.S.A 3518 LAKESHORE ROAD POST OFFICE BOX 758 PHONE 920 - 458 - 2121 F A X 920 - 458 - 1923 Philosophy of Troubleshooting Injection Molding Problems There is no "cure-all" for eliminating molding problems. Every mold is distinctive and has its own

Troubleshooting: Injection Molding How to Solve Uneven …

Troubleshooting: Injection Molding How to Solve Uneven Clamping By John W. Bozzelli, Injection Molding Solutions Print This Article Of the hundreds of variables involved in injection molding, clamping mechanisms and platens often get less attention than they deserve. Good clamp performance is critical to minimize cycle times,

SmartBolts Promote Safety for Plastic Manufacturers

These presses can be as large as a two-story house and the molds – which come in a pair and must be bolted to the press platen – can weigh as much as a fully loaded dump truck. The …

US6776605B2 - Mold mounting plate of an injection molding

Such a mold mounting plate minimizes torque transmission to the column-like holding and/or guide elements of an injection molding machine as a result of the deformation of the mold mounting plate. ... Machine platen and an injection molding machine US20070246860A1 (en) * 2006-04-19: 2007-10-25 ...

Polycarbonate Injection Molding Process Guide

May 15, 2021·This method involves low stress during polycarbonate injection molding. Your results will be thick-walled components and excellent contour accuracy. You also manage defects like sink marks. Upon injection, we clamp the mold with compression. This will allow uniform distribution of the resin.

How to Mount an Injection Mold. - Free Online Library

Nov 01, 2017·Torque the clamp bolts on both the fixed and moving platens to the appropriate value (see Table 2). a. "Click-type" torque wrenches help ensure all of the clamps have the same amount of torque. If not torqued evenly, the one (s) with the lower torque value may come loose.

Injection Molding Blog | Magnetic Platen Manufacturer - HVR MAG

Aug 15, 2022·admin 12/07/2022 Leave a Comment. A plastic injection molding factory in Zhongshan City, Guangdong Province introduced 3 sets of magnetic quick mold change systems from HVR MAG. The clamping tonnage of the injection molding machines matched with the 3 sets of magnetic platens is 650 T, 850 T, and 1000 T respectively. Continue Reading ».

Plastic Injection Molding: What Is It? How Does It Work? - IQS …

Injection Molding Parameters Clamping pressure, or also referred to as the tonnage, is the pressure required to hold the mold halves during the injection step. It complements the applied injection pressure. The part surface area, part depth, and size of the mold are also considered when calculating and optimizing the clamping pressure.

Troubleshooting: Injection Molding How to Solve Uneven …

Troubleshooting: Injection Molding How to Solve Uneven Clamping By John W. Bozzelli, Injection Molding Solutions Print This Article Of the hundreds of variables involved in injection molding, clamping mechanisms and platens often get less attention than they deserve. Good clamp performance is critical to minimize cycle times,

Mold Clamps - Plastic Services

Mold Clamping Tips. Place clamping bolt as close to mold to obtain the maximum mold holding pressure, adjust clamp to parallel, meaning in a straight parallel line with platen and mold slot and not at an angle. Clamps must be set parallel to press which is critical for equal clamping of entire mold. The proper set-up, adequate number of clamps ...

Bolt Heaters Help Attach Platens To Injection Molding Machine

To effect proper tension, the 6-foot by 3-inch (182 by 7.6 cm) bolt and nut have to be very tight. Solution: The manufacturer packages Watlow FIREROD ® bolt heaters with each injection molding machine sold. Correct torque is achieved by sliding the heater through the middle of the bolt and heating it to 200°F (95°C).

US6776605B2 - Mold mounting plate of an injection molding

Such a mold mounting plate minimizes torque transmission to the column-like holding and/or guide elements of an injection molding machine as a result of the deformation of the mold mounting plate....

Mold Clamps - Plastic Services

Mold Clamping Tips. Place clamping bolt as close to mold to obtain the maximum mold holding pressure, adjust clamp to parallel, meaning in a straight parallel line with platen and mold slot and not at an angle. Clamps must be set parallel to press which is critical for equal clamping of entire mold. The proper set-up, adequate number of clamps ...

Proper Torque Value for Clamping Mold to Platen

The two main factors would be the weight of the mold, and the condition of the platen… many industry people would recommend generic values around 80-120 but they usually assume ideal situations. Additional Thoughts Keep in mind, the clamp functions by stretching a bolt to apply a bending force to the clamp which is held back by the platen threads.

Troubleshooting: Injection Molding How to Solve Uneven …

Troubleshooting: Injection Molding How to Solve Uneven Clamping By John W. Bozzelli, Injection Molding Solutions Print This Article Of the hundreds of variables involved in injection molding, clamping mechanisms and platens often get less attention than they deserve. Good clamp performance is critical to minimize cycle times,

What Is Mold Clamp Bolt Torque?

Feb 22, 2020·Normally use M16 and M20 bolts. Many industry people would recommend generic values around 80-120 foot-pounds but they usually assume ideal situations. We typically recommend around 50-60 foot-pounds. If the diameter of the platen bolts is larger on your biggest machines, you may be able to go a little higher.

INJECTION MOLDING: Setting Mold Protection Takes Time But …

Jun 19, 2014·Mount the mold using the appropriate number and types of clamps. Use hardened bolts and washers. Bolts should be threaded into the platen at least one bolt diameter. Torque to the appropriate setting if possible. Carefully install and harness or tie down your cooling lines to ensure movement does not cause wear. 2.

Mold Clamps for Plastic Injection Molding Machines | EMI Corp

Home > Injection Molding Supplies > Mold Clamps Type Mold Clamps. Made of long lasting through-hardened steel. ... Closed End, Socket and Oversize Hex Bolt. Easy to install and adjustable—no spacers are required. ... 12" Closed End 1"–8 Platen Hole; Non-slip Washer; Oversize Hex Head Bolt 1"-8 x 4-1/2" Swivel Bolt 1"-8 x 3-1/4" Item#: