Production for Custom Injection Molded Plastics
Tech Molded Plastics specializes in Scientific Processing and lean manufacturing of complex injection molded plastics in the electronics, medical, automotive, consumer, and aeronautics industries.
Our customers frequently tell us that they choose Tech to process their most difficult projects with speed, quality and great success.
"The molds your team designs, builds and the parts that you mold, with the systems that you have, without a doubt, well exceed your competition. You guys really rock!" - Ray, Leader in Global Telecom.
But, service does not stop there. Automation, packaging, assembly and secondary operations are also offered to add further value.
Tech’s production facility operates 24 hours a day / 7 days a week on 27 molding presses ranging from 40 - 309 ton.
Scientific Processing of Engineering Grade Resins
Tech’s service extends beyond a complex geometry molded part and intricate coring. You receive scientific processing for all grades of engineering resins that require:
- Research & development, technical support, and supplier integration,
- Tight control of drying and moisture content for Hydroscopic properties,
- Design for process tooling techniques focused on material properties,
- Extremely close tolerance tooling and inspection criteria,
- Moldflow simulation and Shotscope Process monitoring,
- Precision Cooling/Heating temperature control systems,
- Extended life, wear resistant coatings and plating,
- Chemical validation of molded product,
- SPC verification,
Diverse industry experience in high performance resin and processing knowledge reduces development time and increases the approval process for mission critical, complex molded plastics. Our experience is your gain with:
PTFE (Polytetrafluoroethylene): Example - Teflon
- Aviation/Transportation Industry connector application/Electronics
- Used as a high temp seal
- Highly corrosive, high shrink
- High PM control, steel content critical,
- High temp mold (200 – 350 f) high melt temps (705 F).
- Stringent material handling guidelines
- Equally comparable with PTFE in both chemical and electrical properties.
PPS (Polyphenylene Sulfide): Examples – Ryton, Fortron
- Aviation/Electronics – high temp environment
- Stability for temp changes
- Tolerancing in steel is critical for close tolerance molded product
- Very tight process window
- Stringent PM guidelines on molds and screw and barrel
- Thick thin wall variation can be molded together but requires adequate design for manufacturing analysis with Moldflow and fill simulation technology
- Highly susceptible to flash
TPE (Thermoplastic Elastomer)
- Medical/healthcare/sporting goods
- Extremely pliable Shore A 00 Durometer requires non-typical molding press screw design and processing standards
- Part removal and ejection techniques are non-standard for mold build and may require automation or operator assistance
Nylon 6, 6/6 (Polycaprolactam & Polyhexamethylene): Examples - Kevlar fiber filled, 4/6 50% glass fill,
- Transportation
- High temp, high wear applications
- Little to no compression properties
- Chemical resistance
- Thin wall, small part application
- High processing pressure
- High wear and stringent PM schedule
LCP (Liquid Crystal Polymer): Example - Zenite
- Electronics, Connection systems,
- Miniature molding (.12 gram part weight) in high temp environment,
- Lack of viscous properties, high processing pressures
- Performs better with high sheer heat to fill thin wall
- Vents can range smaller than .0001 - .0002
- Accessory technology needs to match processing expectations, screws and barrels
PC (Polycarbonate): Example - RTP 360.5 stainless steel fiber 5.0% filler
- Medical, Handheld Diagnostics, Safety/Electronics
- EMI shielding properties
- Accessory technology needs to match processing expectations, screws and barrels
PSU (Polysulfone): Example - Ultrason 3010
- Consumer Product, Medical, Military
- Chemically abrasive
- Chemical resistant and very durable
- Impact resistance
- High temp mold (350 f) and melts (690 f)
- Correct auxiliary equipment need to manage corrosiveness
PBT (Polybutylene Terephthalate): Example - B4300G6 30% Glass Filled laser transmissive
- Transportation
- Critical process characteristics needed to be laser transmissive for welding properties
- Process can only be used to join materials with dissimilar absorption properties at the laser wavelength
- <100 microns of warp and bow of mating components is critical for successful weld
- High demands placed on molding process for optimum crystallization
POM (Polyoxymethylene): Example – Acetal
- Transportation, Electronics
- Application properties provide toughness, impact, and UV resistance
- Shrink is significant factor influenced by multiple variables including mold temperature effect on mold shrinkage and post-mold shrinkage,
- High injection rates are required for molding thin wall, complex geometry
- Proper design of injection unit and thermal settings effect melt and crystallinity to improve internal stress conditions and uniform shrinkage.
Contact us today to request a quotation or to see how Tech injects value into every precision plastic product! |
