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The next machining operation has been completed on the trunnion. This is one of the many unexpected problems with reverse engineering a component. The magazine did not fit. An error occurred that was missed. It is a good thing to check after every step which we do. You can see the differences here and it […] Here at Gun Lab we do a fair amount of reverse engineering, most of what we like to make have no drawings. However when there are drawings or solid models available we will use them. With this said I have found that most of what is available on the internet or in books is just […] Today we are going to write a basic program for the Japax wire EDM and run that program on the machine. This will be a dry run only to verify that the machine can perform the program as written. To give everyone a little back ground this machine uses what is call G-code to perform […] We have finally finished machining the last part for the AR-180B safety. This is the master cam video showing the steps that were performed to complete this task. With this last installment we have now completed machining the safety for the AR-180B. This picture shows all the steps that we took to make the […] This post will conclude the machining part of the AR-180B pivot pin for the bolt hold open. We have finally completed the machining portion of this project for this part. Here are the pictures. This is the process from start to finish. Our copy compared to the original. I will start parkerizing this next week […] Today after making parts for the Ar-180B was completed I started back trying to get the Japax wire edm to work. When 9pm came about I finally stopped. A great deal was accomplished today. Starting with getting the upper head to move to being able to write, post and run a basic program. This post […] This post is about making the pivot button for the bolt hold open device for the AR-180B. With no engineered drawings to work from the first item of business to take care of was making a drawing of the part with all the dimensions. To do this we used micrometers, feeler gauges and an […] This is the video of the actual machining of the AR-180B shaft. This is the first op in making this part. From here it will nest go to the mill to have the various flats, slots and holes drilled. Now on to the first op. With the first op complete the next step is […] Sorry for the late post today. When I finally got home last night I went to the shop to work on the shaft for the AR-180B safety and did not finish until late. This is a quick master cam video on the process to do the first op on the shaft. Here is the […] |
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