\nLast night, shopping with my wife for clothes, I noticed the jewelry display. There were some really nice-looking items, at low cost – around $20 or so. I would guess they were copper or perhaps nickel or stainless steel.\n<\/p>
\nInspecting the pieces, I noticed many consisted of dozens, perhaps hundreds, of fine chain links. The chain might have been 0.5mm thick, while the links, possibly diameter of 2.5mm.\n<\/p>
\nCheap or not, making all that chain would require precision. Furthermore, it must be mass-produced, to be offered so affordably. “How is it made?” I wondered.\n<\/p>
\nThis morning I searched the ‘net to find out, and came across this fantastic video from Online Jewelry Academy<\/a> which shows a chain-making machine in action.\n<\/p> \nFrom what I observed in the video, the operation seems first to involve twisting the wire into a spiral. Then, for each link,\n<\/p> \n \nIt definitely helped me understand.\n<\/p>\nJack of Oracle Tutoring by Jack and Diane,<\/a> Campbell River, BC.\n","protected":false},"excerpt":{"rendered":" Self-tutoring about manufacturing: the tutor looks into the mass-production of jewelry chain. Last night, shopping with my wife for clothes, I noticed the jewelry display. There were some really nice-looking items, at low cost – around $20 or so. I …<\/p>\n\n