What is a heat staking machine?
Heat staking also known as thermoplastic staking is the process of joining two dissimilar materials together. In heat staking we use local heating and cooling to raise the temperature of plastic components and allow plastic reforming to be carried out. This reforming can be used in a wide variety of applications.
What materials can be heat staked?
Heat staking can be performed using wide range of thermoplastic materials including polypropylene, ABS, polycarbonate and many others.
How do you heat stake plastic?
The plastic is deformed by heating it to a temperature above the glass transition temperature. Super-heated air or a thermode is used for this. Pressure is then applied to create the stake. After the stake has been formed, the plastic should be cooled down again below the glass transition temperature.
How do you heat stake inserts?
For heat staking, the insert is preheated with induction and then pressed into a hole in the plastic part. This is accomplished by positioning the induction coil over the hole and then holding the insert in the coil for a short period of time.
Can you heat stake acrylic?
Myth 1: Post cooling a thermal tip is required on all resins to reduce or eliminate stringing and over welding of a stake or swage. The Truth: Post cooling only needs to be introduced in a heat welding process when resins, such as Acrylic, are used that require quick cooling.
What is ultrasonic staking?
Ultrasonic staking is an assembly method that uses the controlled melting and reforming of a plastic stud or boss to capture or lock another component of an assembly in place. The plastic stud protrudes through a hole in the component to be locked in place.
Can you heat stake peek?
Whether PEEK, LCP, PPS or PPA: all thermoplastic materials can be processed with bdtronic’s heat staking processes, even with a high glass fibre content.
What temperature is heat insert?
Plug your soldering iron in, turn it on, and wait for it to get up to temperature. A good iron operating temperature is 650-750 F (343-399 C).
Do heat set inserts work with acrylic?
The experiment showed that they will all suffice to hold the insert into the acrylic, so in practice there is some amount of tolerance for the diameter precision. As the holes got smaller, more heating is required to install the insert, and more acrylic is visibly distorted around the insert due to the additional heat.
What is ultrasonic insert?
In ultrasonic insertion, a metal insert is placed in a cored or drilled hole which is slightly smaller than the insert. This hole provides a certain degree of interference and also serves to guide the insert into place.
What plastics can be ultrasonically welded?
For example, ABS, acrylic, polycarbonate and PVC are amorphous polymers with little or no crystalline structure. These plastics are well suited to ultrasonic welding. Ultrasonic welding of two parts made from the same plastic material will usually obtain the best result.
How do you make holes for heat-set inserts?
How to design for inserts?
- The bore diameter must be adapted to the threaded insert used.
- A blind hole should be slightly deeper than the length of the insert (approx.
- Through holes do not need to be longer than the insert.
- To ensure strength you should make sure to stick to the minimum wall thickness.
How do you make holes for heat set inserts?
What is ultrasonic molding?
Ultrasonic moulding, also known as ultrasonic microinjection moulding, is a new technology that uses high-power ultrasound to melt and mould thermoplastic polymers to produce samples with mini- and micro-features.
Can silicone be ultrasonically welded?
If moist parts are welded, the escaping vapors may cause voids and fissures in the molten material resulting in a weld of poor integrity. Mold release agents such as zinc stearate, aluminum stearate, fluorocarbons and silicones are not compatible with ultrasonic welding.
What is a bench top heat staking system?
These Bench Units incorporate the head of the 2010 or 2010T heat staking system, or thermal press system, with a Blanchard ground, steel top machine stand. These lever-arm, bench-top heat staking assembly systems, or thermal press systems, are ideal for single point or small, multi-point assembly operations.
What is heat staking automation system?
The pneumatically-operated heat staking automation system, or thermal press system, is designed for integration into rotary or in-line, automated assembly lines.
What is a heat staking conversion kit?
This heat staking, or thermal press, conversion kit simply turns any 20 kHz ultrasonic welder into a thermal assembly system. What is Heat Staking? Heat staking is a joining process of two pieces of plastic, or plastic and one other material, into a thermoplastic assembly via heat staking equipment.
What is heat staking and how does it work?
Heat staking also known as thermoplastic staking is the process of joining two dissimilar materials together. In heat staking we use local heating and cooling to raise the temperature of plastic components and allow plastic reforming to be carried out. This reforming can be used in a wide variety of applications.