Tumbling is the simplest way for jewelry makers to polish their pieces. Our articles cover the tumbler devices and abrasive media you’ll need.
The correct use of modern, semi- automated finishing processes enables the manufacturer not only to reduce production costs, but also to improve the quality of finish on jewellery produced in series. This is the first of several articles, originally published in AURUM in 1982 on this important topic.
After several years of use, the small stainless-steel pins in my magnetic finisher had became dark, were stuck together and yielding poor results when tumbling precious metal mountings. Seeking advice for improvement, I turned to Andy Kroungold, Stullers tool specialist.
Design dictates buyer’s choices when gold jewelry is purchased and the quality of the pieces certainly plays an important part as well. Not to be overlooked, However, as gold jewelry is readied to go to market, is that shoppers, regardless of price range, are attracted by the glitter of gold. This article deals with recommendations as to how manufacturers can attain that glitter and ensure that the sparkle of the surface finish of their products catches the buying public’s eye and wallet. We are going to focus on Mass Finishing, what it can do for you and the various methods and equipment that are available to save you time and money.
A microscopic and technical view of mass finishing presented in layman’s terms. Understanding of mass finishing must start at the very basic level of what happens microscopically to the surface of various materials. All the variables will be discussed, such as the media, compounds and the effect of various types of machinery on the finishing process. Practical techniques and the associated costs will be presented for pre-finishing of precious metal jewelry as well as costume or imitation jewelry. This article is an explanation of Mass Finishing from a practical standpoint.
When burnishing very detailed pieces, use stainless pins in your mixed shot. Dont use them any other time because the pins will often strike the work pieces with the pointed ends, creating a very undesirable pitting or orange peel appearance. If you must try mixing pins with your other stainless steel media, the pins can be removed with a medium strength magnet. I use the kind of magnet.
Chemical and mechanical processing work together to treat the vibratory finishing wastewater at Aro-Sac, increasing production, making the water reusable and rendering the sludge a non-hazardous waste…