Over the years I've seen a number of these holes in the bases of Matchbox toys. All from the regular wheels era.
My question is what are they for? Why are they there?
They always look cleanly machined as if they are meant to be there.
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This is the model in question. I have seen other models with the same holes in.
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IMG_0196.JPG (109.81 KiB) Viewed 1054 times
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Were these models being considered for the steering mechanism that was fitted to the Mustang in 1967?
If the hole was provided for the steering mechanism , the texts would have been set. But here the word Mercedes is missing the M!
A hole from an ejector would have been circular. but the frame is still intact.
Could this be a casting fault? Maybe dirt in the mold or in the mazac? If you paint something and there is a bit of silicone you will have the same effect.
Last edited by Miller on Sat Nov 19, 2016 6:05 pm, edited 1 time in total.
Yes, but the recess must have been damaged from one side ot the other. If a ejector is so strong to cut a hole into the mazac, its strong enough to damage/bent the recess!
If the ejector comes from the inner side of the baseplate (which would be logical), the recess should be visibly bent to the outside.
Please use a web hosting site (like photobucket) to store pictures so you can post them here, using attachments makes it hard to view the pictures when you have to scroll to see them. Seeing comparisons of models is hard to see with attachments too.
Miller wrote:Yes, but the recess must have been damaged from one side ot the other. If a ejector is so strong to cut a hole into the mazac, its strong enough to damage/bent the recess!
If the ejector comes from the inner side of the baseplate (which would be logical), the recess should be visibly bent to the outside.
I think the ejector was (for what reason ever) on a wrong position while the mould was filled with the material.
It didn´t cut the hole in the baseplate.
I made a scetch to explain it and I made two pictures of a baseplate where you can see that the ejector was exact at the position where the hole in the pictures above is.
(c) Malibu
Scetch.JPG (40.91 KiB) Viewed 922 times
(c) Malibu
Chassis_MB_ejector_1.JPG (42.14 KiB) Viewed 922 times
(c) Malibu
Chassis_MB_ejector_2.JPG (52.39 KiB) Viewed 922 times
In Steve´s pictures I think there is part of the hole on the other side of the recess visible too.
An ejector is very much like a blunt nail,the head is clamped between two plates with the rest of the ejector sticking out but it does have a little bit of play ,the other end of the ejector is nearly always circular but you can get shaped ejectors ,standard ejectors are nearly always flat ,this flat part makes the circle on the casting,its the very end of the ejector,sometimes ejectors bend ,when this happens the length of the ejector is made shorter and you get a round circular lump on the casting,to get the hole in the casting the ejector must have go forward a bit and has there is only one hole i think this was caused by a broken ejector,when the ejector breaks it doesn,t get pulled back by the ejector plate(the two pieces of plate clamping the head of the ejectors) ,it only gets pushed back by the other half of the die closing so stays right up against it so metal can,t flow and has to go around the ejector,another reason it could be a new ejector that was a fraction to long ,and another way to cause a pround ejector is debris causeing the whole ejector plate assembly to stay forward but this would show up on all the ejectors at the same time,the operator would be checking for this and other faults but must have missed a few casting.
dave
