What is Mold Tooling?

Mold tooling is all about creating the molds we use in injection molding. It’s a manufacturing process that shapes molten plastic resins using metal molds. The terms "mold" and "tooling" are pretty much interchangeable when referring to these essential components in the injection molding process.

What types of molds do you specialize in?

We cater to a variety of injection molds, including multi-cavity hot runner molds, single and multi-daylight molds, collapsible core molds, and threaded parts, among others. We’ve got the expertise to handle a wide range of industry requirements.

Do you offer prototype tooling?

Yes, we do! We provide prototype tooling mainly to help evaluate prototype parts before you invest in production tooling. However, keep in mind that our primary focus is on high-volume molding, so the number of production parts from a prototype tool is usually limited.

How long does it take to build an injection mold?

The timeline for building an injection mold really depends on how complex the design is. Generally, you can expect it to take around 7-10 weeks on average.

What do you require for a new molding project?

Since we specialize in high-volume projects, we usually need a minimum order of 1 million parts. Plus, the item should be suitable for injection molding and made from materials that can be molded in this way.

What’s the mold development process like?

Here’s a quick rundown of our mold development process: We start by evaluating your part design and making any necessary adjustments for efficient molding. Then, we build the mold based on that design. Finally, we test the mold in our injection molding press to produce your production parts. On average, this entire process takes about 7-10 weeks.

What material should I use for my project?

Choosing the right material is often specific to your application. If you’re not sure which material to go with, no worries—we’re here to help and can offer some solid recommendations.

How can I access your services?

Getting in touch is easy! You can email us at sales@mefron.com or give us a call at +91- 079-66111038. Our team is ready to assist you with any questions or needs you have.

Do you provide project consultation?

Absolutely! We’re happy to provide project consultation. Just let us know what you need, and we’ll guide you through the process to make sure everything goes smoothly.

Where is your company located?

We’re based in Ahmedabad, Gujarat, India. Plus, we have sales offices in various top-tier cities to ensure we’re accessible to our clients.

5+ Testing you must know about PCB Assembly

19 March, 2025 Posted by Meghdip Pancholi

Types of testing required for assembled pcb

Would you buy a television set or any electronic product which does not pass through a quality check or put on the retailer's shelf without the label tested? Obviously, a big no but it is not the final product that has been tested but each and every part that makes the product complete has to be tested.

Printed Circuit Board (PCB) is one of the most essential components of any electronic device. Assembled PCB has to be tested thoroughly as it determines the life and quality of your electronic device that your consumer is going to use.

There are various methods of testing PCB and if you are dealing in the electronics industry, you must know what PCB is and how it has been tested. Here in this blog we will explore more than 5 ways of PCB testing, how & why they need to be done. Their advantages and disadvantages will also be discussed in this blog.

List of PCBA Testing Method

In-circuit testing

In-circuit testing is basically used in design for manufacturing analysis so that defects can be removed at manufacturing level to remove the rework at the functional level. Some of the common manufacturing defects are tombstoning, solder shorts, component missing, lifted pin and poor soldering.

Sometimes components were not properly placed on the board, or there is lack of solder which is required for pasting or maybe any component is missing on the board or component is broken or not properly placed. For e.g. lifted pin on the chip or the soldering is not properly done on PCB.

So, in-circuit board testing is done to find these defects at an early stage so that the error can be caught at manufacturing level and doesn't reflect in the entire set of PCB which is going for the functional test at the end.

By using fixed probes, we can match the design of the PCB. The probe validates whether the solder connection is proper or not. This test is just matching the actual board with the probes connected through predesigned access board points in the board so that ICT probes make connections with the circuit.

This test removes the defect from 85-90% and it can be done on the initial stage, there is no use of doing integrated circuit testing during the halfway of production. . In-circuit testing is expensive as compared to other tests.

Flying Probe Testing

Flying probe test is the test in which the probe is moving from one point to another point in x-y grid as per the specification given by the software program. It is also called a fixtureless test because it doesn't require any fixture thus it is more cost-saving as compared to ICT.

This test is not beneficial for large scale manufacturing. This test checks for various defects such as opens, shorts (short circuit), resistance, capacitance, inductance and diode issues. The main benefits of flying probe testing is to check the electrical functionality of the PCB.

It measures parameters like resistance, capacitance and continuity. It also looks for misalignment, open circuit and short circuits.

Automated Optical Inspection

This test scans the printed circuit board (PCB) with the help of a 2D or 3D camera. It compares the board with a pre-defined detailed schematic. If it matches with the schematic to a very high level of degree then it passes the test otherwise the technician needs to manually inspect the PCB.

It does not turn on the power of the board unlike other tests that's why its result is not 100% accurate and doesn't cover each and every part of the PCB.

It looks for missing components, components that are not soldered at an appropriate place, open circuits and closed circuits. It also looks for stains and scratches on the PCB.

This test alone is not sufficient, the manufacturer should include other test with AOI such as AOI with Integrated circuit test or flying probe testing. The best result is given by the combination of two test that is X-ray and AOI. At Mefron, we will perform both of these tests after PCB assembly.

Burn-In Testing

The burn- in test is done to check the strength of load capacity of PCB. It checks for the extreme condition and the heat in which the Printed circuit board can work. It can detect early failures.

The PCB has been connected to electricity at maximum capacity for 48 to 160 hours. If the pcb survives it has a low infant mortality rate. This test is required for the PCB used for medical and defence.

X-Ray Inspection for PCB assembly

To detect hidden defects in printed circuit boards (PCB) an X-Ray Inspection or Automated X-ray inspection is done. The X-Ray looks for the component placement, solder connections, barrels and internal traces. It is one of the most used ways of testing PCB nowadays as PCs are getting smaller day by day and components are increasing. That's why this method is more reliable as compared to other testing methods.

There can be various AXI tests using 2D or 3D X-rays. It can be used to check solder joints and IC's that can't be inspected with human eyes.We can also check the through hole components of a PCB Assembly using X-ray inspection. X-ray inspection is best combined with Automated Optical Inspection to give the best result.

Functional Testing

As the name suggests, functional testing means the test which concludes that PCB assembly will work in the real scenario or not. It is the test of complete PCB and not of that individual elements used in PCB assembly.

Functional testing is considered the last step between the manufacturer and the market. Manufacturers needed to define the parameters and the desired result before performing the functional testing.

There are various kind of functional testing can be performed for PCB assembly

1. Voltage Meter testing

2. Load Testing

3. QC testing

Want to Run Tests for Assembled PCB?

Talk with our experts to know which test is better for you.

Consult Us

Conclusion

It's not possible that a firm should invest in all the PCB assembly tests mentioned above but the firm should invest in two tests which is enough to assure that PCB will work fine on the device.

The combination of the test should be perfect. At Mefron, we use both AQI and X-ray inspection tests for assembled PCB function. Both the tests have different functionality and if an assembled PCB passed both the test, we can be assured that it works well in functional testing and the end-user will remain satisfied with the end product as far as PCB is concerned.