Low volume plastic injection molding tips, make it simple now!
For low voume plastic injection molding, it takes too much cost on mold. In the meanwhile, some of mold manufacturers is not willing to accept this kind of job, and sometimes quality control from the mold manufacturers for the production is very poor.
Let us to know a few process for low volume plastic injection molding as below.
Low volume plastic injection molding service
- MUD solution,
- 3D printing like SLA,
- Prototype ,
- Aluminum mold,
- Plastic casting (RTV rubber molding),
- Single cavity compression molding for low volume plastic injection molding parts manufacturing.
Let us to know more for different low volume plastic injection molding service and process on below article.
Advantage process to save the low volume plastic injection molding mould cost,
MUD mold manufacturing process,
MUD mold is the solution to share the plastic injectionfor lots of mold inserts. You will save cost on the mold base. Also it is quick to change the inserts during the production. Generally, large products is not suitalbe for MUD mold solution, but how large is the large products. As my point of view, if it is large than Length 500mm or width 500mm.
Steel slection to save the cost for low volume plastic injection molding mould,
For the large products, I have to say yes. Steel cost is about 1/3 of total mold cost, sometimes even more than 1/3. But for small and complex mold, it is difference, because the larbor cost and manufacturing cost are major cost.
Prototype manufacturig process instead of low volume plastic parts manufacturing,
A few manufacturing process is possible to instead of low volume plastic injection molding, It is RTV silicone molding and CNC machining. But your product structure and product function limite you to choose this process.
For the RTV silicone molding, there is advantage for 100 parts production, but without FDA grade , because the plastic parts is made by two kind of chemical mixture. Luckily, it is possible to manufacture different colors plastic parts.
Regarding the CNC machining process, this is limited on yourstructure, for simple products, it should be advantage for 10000 parts, sometime it is more than this and completely with advantage. For this process, it is also possible to manufacture the transparent part like optics lenses even better than injection molding quality.
What manufacturing process you need to choose from low volume plastic injection molding manufacturers,
To choose the right plastic manufactures is very important, the wrong manufacturing process will cause higher cost. SEASKYTOOLING is multi-manufacturer, we can support you to choose the reasonable and reliable low volume plastic manufacturing process.
Aluminium molding china low quantity,
For low quantity plastic part manufacturing, you can also consider the aluminum to make the core and cavity to save cost and lead time. You can import the aluminum mold to do injection molding locally. If you just leave the mold in China for injection, you can also consider to use S50C for core and cavity, this is longer mold life and similar cost of aluminum injection mold. But you can not use aluminum injection for all of parts such as the plastic product with lots of ribs, sure you can also combine steel and aluminum to make the core and cavity.
Rapid prototype injection mold
Rapid prototype injection mold is tooling used for small volume production or sampling to prove the plastic product design. This kind of mold request low price, generally it is to used S50C, aluminum or P20 to make.
Another soltuion, MUD mold is reasonable solution to make rapid prototype injection mold. SEASKTOOLING also offer MUD mold inserts.
Fast prototype injection mold
Fast prototype injection mold is similar as rapid prototype injection mold and request very short mold making lead time. Based on this, there is MUD solution, aluminum, S50C to make mold to save mold manufacturing time. Sure you can choose the prehard steel to make the mold such as P20, 2311, 2312 and 420h etc.
High speed CNC machining to manufacturing aluminum injection mold save lots of cost on mold manufacturing, also short the lead time.
If the purpose is to have a few samples, you can also use old mold base with new core to make fast prototype injection mold tooling.
Rapid injection molding for rubber parts
For a few piece of rubber prototype manufacturing, you can choose RTV silicone molding to shot the rubber samples, but this kind of rubber will be rigid a few month later. So compare to this process, single cavity rubber compression molding with similar price, but the samples is the same as mass production as injection molding. Also there is advantage for 100 pcs production. Even if it is for mass production, compression molding with advantage on mold cost and unit price compare to rubber injection molding.
Low cost injection molding
As above said, it is low cost injection molding, if you still have no good cost control. You have to find different plastic manufacturer to find the low cost injection molding manufacturers. But please noted no people can handle the job less than the steel cost, if so there should be some of purpose but not for normal business.
You should choose the right manufacturing process to carry out the low cost injection molding, not just on searching different injection mold manufacturer.
For mass production, there is big difference molding price from different molding manufacturer. There are lots of factor to cause this:
- different mold cavity,
- different equipment,
- different manufacturer, specially vendor location,
- different resin if you did not specify on your inquiry,
- different package,
- different trade term.
Low cost plastic manufacturing
For low cost plastic part manufacturing, you need to choose the right manufacturing process to make. You may have below manufacturing process for plastic parts,
- Blow molding,
- CNC machining,
- Laser cutting,
- Compression molding,
- Rotational molding etc.
You need to choose low cost plastic manufacturing process based on your product structure, quantities, surface finishing, material and secondary process. The more you understand, the more cost you can save.
SEASKYTOOLING is professional for you to choose the low volume parts manufacturing with reasonable cost.
Short run injection molding
Short run injection is like low volume injection molding. If you can not assure the injection machine to run a few days, it is short run injection molding. You can understand below process make the shot run a little bit more expensive than mass production injection:
- Set up injection mold on machine,
- Change color,
- Less plastic material or less special material, it is more expensive than to by a lot of plastic resin,
- Set up people to do the production for low volume injection molding etc.
Anyway, short run injection molding is more often than a few years ago, this is caused by that there is more and more people join into plastic product development, anyone can be designer or inventor. Injection molding factories need to reform and develop solution to have reasonable solution for short run injection molding.
Low volume injection molding machine
Low volume injection molding machine is the same as the mass production injection machine. But for mass production injection machine, you may have robots and automatic production system to have injection molding run automatically.
Low volume plastic injection molding in China or in US, Canada, Australia, UK or Europe,
As you know in US, Canada, Australia and Europe, there is higher labor cost, but for low volume plastic parts manufacturing, mostly you do not deserve to set up automatic production line. Conversely, sometimes you need to save cost to make the hand load sliders instead of automatic sliders to save mold cost.
Your competitor and buyer is around the world. No matter where you are. For buyer, you can choose the injection manufacturer based on your situation. For vendor, you need to exert all of your advantage to serve the customers. No people will ignore your innovation or manufacturing.
You need to be open, cooperation, connection and honesty to internet era to develop your own competition.
The end, the most important of the low volume plastic injection molding production is to choose the right manufacturing process and plastic manufacturers.