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What is our vision?
Our vision is to be the world leader in valve gate hot runner technology.
With disruptive new products like our patented Rheo-Pro® iVG™ Internal Valve Gate and cooling-free Rheo-Pro® Black Box™ Valve Gate Actuators, MHS is turning that vision into reality every day and reshaping the hot runner industry.
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What is our story?
In 2002 the MHS team set out to improve valve gate technology in a meaningful way. The goal was simple – to have fun developing the world’s most advanced hot runner systems by creating reliable and effective solutions that customers around the world can trust. We love to challenge the status quo. To turn conventional thinking on its head. We are not afraid to push the boundaries of what high performance injection molds can do. Our customers and our innovations speak for themselves. We hope that people continue to enjoy using our products as much as we enjoy making them.
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Who owns MHS?
MHS is a Canadian family owned business.
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Where does MHS design and manufacture their hot runners?
Our hot runners are designed and manufactured in Canada. |
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Why MHS? What makes MHS different from other hot runner companies?
MHS works hard to deliver the most comprehensive application support and the most innovative hot runner solutions in the injection molding industry. We build and manage highly specialized teams that work with you in the most direct and professional way possible in order to improve your production output and keep you in the lead.
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What is the latest technology that MHS offers?
MHS has a wide range of new injection molding solutions for you to explore.
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Where can I find printed material such as product catalogs, literature or brochures?
As part of our ongoing company wide commitment to reducing wasteful processes and improving our carbon footprint, MHS is limiting its use of printed paper catalogs and product literature. Everything is available in digital formats that are always up to date and easy to share. If there is something you can't find on our site, please feel free to contact us directly anytime. We love to hear from you.
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Does MHS work with third party sales representatives?
No. We believe you achieve better results if MHS works directly with you and your team. |
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How do I apply to work for MHS?
Think you have what it takes to join the MHS team? Check out the positions are currently available.
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Hot Runner Basics
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How does a hot runner work?
A hot runner is a series of heated channels inside and injection mold that deliver liquid plastic material called "melt" from the machine barrel of an injection molding machine to the cooled cavity inside the mold where the finished plastic part is formed. There are two basic types of hot runner systems, thermal gate and valve gate. Hot runners save material and production costs by eliminating the excess cold runner material found in more basic molds. Hot runners also improve the consistency and quality of the injection molding process and the plastic part. (Similar questions: What’s a hot runner? How does a hot runner system work? What are the advantages of hot runner technology. Why choose a hot runner vs. a cold runner mold?)
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What is valve gating? How does a valve gate hot runner work?
Valve gating is the right solution for most advanced, fully automated injection molding operations. The increased level of process control that a valve gate hot runner offers compared to thermal gate or hot tip gate systems, not to mention cold runner molds, make it a more reliable, higher quality solution. Manufacturers turn to valve gates to replace older production methods when they need to upgrade or update their molds. Many injection molding applications are only possible using valve gate technology.
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What are the most common technical issues associated with the operation of valve gate hot runners?
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Leakage - Every single MHS valve gate component is designed and inspected to ensure leak-free operation. Some assemblies must be manufactured to within a few microns tolerance in order to achieve the level of performance only best-in-class hot runners can offer.
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Wear - Our high performance hot runner systems feature ultra reliable components you won't find anywhere else, like cooling-free valve gate actuators that have no rubber o-rings and will not wear out over the life of your mold.
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Seizing - Valve gate molding depends on moving, mechanical parts that have to operate under extreme conditions inside the mold. Only the toughest hot runner products can perform reliably over millions of cycles.
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How do I decide which hot runner is the right solutions for my plastic part application?
Our hot runner experts are here to help you find the best solution for your application. That's what we do. Just contact us and tell us about your plastic part and what your goals are for production, we'll work with you and your team to make sure your project is a success.
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Prototyping, Engineering, and Development
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Can MHS help with the design of my plastic part?
Yes, our engineering and design teams can help you optimize the design of your plastic part for improved physical characteristics, better rheology, and more efficient manufacturability. We recommend that you involve MHS in the early stages of your molding project for the most effective results.
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What CAD software does MHS use?
MHS primarily uses Solidworks. For more information contact us or visit solidworks.com |
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Does MHS offer mold flow analysis (including fill, pack, cooling, and warp analysis)?
MHS offers a complete range of in-house simulation and analysis services to guarantee the success of your injection molded plastic part, using a variety of tools and software solutions. MHS was one of the first hot runner companies to make flow analysis a standard feature included with every hot runner design.
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Does MHS offer prototype injection molding?
Yes, MHS (with headquarters in Georgetown, ON) utilizes its own injection molding machines for molding tests and mold trials. |
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Does MHS offer 3D printing?
MHS can provide 3D printed prototype parts from standard CAD file formats. Please contact us for more information. |
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Ordering a Hot Runner System
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How do I get a quote for a hot runner?
You can call us, email us, or submit this online form to request a quotation.
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Do I have to know how I want to produce my plastic part (e.g. what hot runner product is best for my needs)?
No. MHS hot runner experts are here to listen to your goals and expectations and to provide you with comprehensive feedback on how to best produce your part.
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Do I have to know what material my plastic part will be made with?
MHS can help you decide what material (also called polymer or resin) is best suited for your plastic part application. We specialize in processing challenging materials and have a long track record of success with every type of plastic. Material selection is an extremely important aspect of injection molding.
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What does the design process look like?
MHS can assist you with all stages of your process design including the
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Plastic part
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Hot runner
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Injection mold
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Automation equipment
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Molding cell
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How long does it take to build a hot runner system?
The length of time required to build a complete system is determined by the complexity of the project and the type of hot runner system you order. Depending on the solution, it can take anywhere between 2 days and 8 weeks. Our engineers will prepare a detailed and reliable project timeline for you when you receive a formal hot runner quote. |
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What kind of tests are performed on MHS hot runner system?
Every MHS hot runner system is subject to a comprehensive quality control process that includes a series of standard electrical tests, heat tests, and mechanical tests. All test results are inspected and documented to ensure that your hot runner is 100% reliable and ready to mold parts.
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Do you offer discounts?
Discounts are available and are conditional on specific project specifications. Please contact an MHS sales representative for more information.
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Spare Parts and Hot Runner Maintenance
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How often does my hot runner system require maintenance?
How often your hot runner requires preventative maintenance depends on what type of system you are using. MHS has a proven track record for building extemely low maintenance hot runner systems. More mold uptime has always been our focus. This is made possible by excellent quality control and innovative design. New products like our patented Rheo-Pro® iVG™ Internal Valve Gate and cooling-free Rheo-Pro® Black Box™ Valve Gate Actuators offer more reliability than any valve gates on the market today.
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How do I order spare parts from MHS?
You can call us, email us, or submit this online form to order spare parts. You will require an MHS system number for verification.
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How fast can I receive spare parts?
MHS ships standard spare parts same day before 16:00 EST for next day delivery within the Americas, Europe, and most other international destinations. For European customers, additional spare parts options are available through our service center in Germany MHS Heisskanaltechnik GmbH. You'll love how easy and streamlined our spare parts service is!
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Are my hot runner components standard items? Where are they stored/warehoused/stocked?
Most MHS hot runner spare parts are standard, off-the-shelf items. MHS operates spare parts warehouses in Canada and in Germany. For custom spare parts and/or critical rush items, please contact MHS directly for availability, lead times, and on-site spare parts package options.
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Shipping
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What countries does MHS ship to?
MHS delivers hot runners to all geographic markets without trade restrictions.
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How fast does a hot runner system ship?
Depending on the size of your hot runner and the custom clearance procedures in your region, complete systems usually arrive within 1-6 days after leaving MHS. |
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How can I track my shipment?
You will recieve a shipping confirmation via email when your hot runner system is shipped. MHS provides detailed tracking information with the shipping confirmation if requested.
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What shipping methods does MHS offer?
MHS offers a wide selection of shipping options, whatever best suits your needs.
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What is included in a finished hot runner system?
Every MHS hot runner ships in a custom built wood crate (CSA certified materials) and sealed in plastic to protect your valuable hot runner against damage, contamination, and moisture. Each system ships with a complete set of manuals, technical documentation, and assembly drawings. If you are an end user and your hot runner does not arrive directly from MHS (e.g. via tool maker) please make sure you receive this material with your mold. You can contact MHS support anytime to replace the original system documentation.
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Service, Support and Training
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What if something goes wrong with my hot runner?
You can contact MHS directly anytime, we’re here to help. For common issues you can refer to the support material that shipped with your hot runner system and the support material available online. If you contact our support team please make sure to have your system number available. Depending on the issue you are experiencing, MHS will help you determine the best type of support to keep you up and running. Our hot runner systems are designed and constructed to be easy to service and maintain using only basic tools available in any local hardware store.
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Where can I find manuals and technical documentation for my hot runner system?
Each hot runner system ships with a complete set of manuals, technical documentation, and assembly drawings. If you are an end user and your hot runner does not arrive directly from MHS (e.g. via tool maker) please make sure you receive this material with your mold. You can contact MHS support anytime to replace the original system documentation. |
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Is there an online portal that I can log into with my Customer ID?
Yes. Every customer has access to a dedicated online profile where project related items can be safely and conveniently stored and shared. All file transfers through the MHS cutomer portal service are encrypted using 256-bit SSL (Secure Sockets Layer). This is the same security used by banks and many e-commerce sites such as Amazon.com. For your username and password, please contact MHS.
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Does MHS have field service technicians available?
Yes. MHS technical experts are available to support you and your project wherever you need them. Please contact MHS directly to inquire about or to schedule on-site support.
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Does MHS offer training or courses?
Yes. Please contact an MHS sales representative for more information.
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