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Holemaking
Smart Boring Bar Auto-Comps
Because boring is a finishing or semi-finishing operation, there is generally little or no margin for dimensional or surface finish error. In production, dimensional accuracy of a precise bore can be negatively affected by tool wear over time.
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Sizing With Tool Nose Radius Compensation
Most turning center users use wear offsets for the purpose of holding size over the course of a production run. And with most of the tools used on turning centers (turning tools, boring bars, grooving tools, among others), all production run sizing should be done with wear offsets.
Read MoreRestarting A Program After Breaking A Tap
It's common to have to rerun tools. If you find a problem during the program verification with the eighth tool, for instance, you'll want to restart the program from the beginning of tool number eight rather than having to rerun the entire program just to get back to that point.
Read MoreMold Maker Reduces Cycle Time 50 Percent With New Drilling System
Despite a 120 hour week and frequent overtime, Special Mold Engineering Inc. (Rochester Hills, Michigan) didn't have enough deephole drilling capacity to keep up with customer demand for its injection mold bases. So it reluctantly farmed out some of the gundrilling for the excess.
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Picking The Right Automatic Drilling Units
There are many ways to create holes in metal. Some machine tools, including machining centers and turning centers, drill holes as one of several operations performed. This article discusses different kinds of automatic drilling units, each of which is dedicated to making many holes - fast.
Read MoreFixtures Improve Machine Performance, Product Quality And Throughput
This company previously purchased end caps and cylinder rod guides as outside components, but recently turned to Yamazen, Inc. and its line of Brother CNC tapping centers for improvement in the overall production and quality control and for a flexible manufacturing protocol on these parts.
Read MoreJob Shop Cuts Processing Time 60 Percent
Innovative Manufacturing used to spend ten minutes per part machining cast iron differential housings for golf carts, but now total machining time is down to three minutes, 45 seconds. According to Innovative owner and president Rob Sander, the productivity leap came when the company consolidated turning, milling, drilling and reaming into a single machine tool.
Read MoreA Tool To Help With Jaw Boring
Machining soft jaws remains one of the most tedious and time-consuming tasks for turning centers, so anything you can do to organize and simplify this task will speed up your setups. In order to make the workholding setup when soft jaws must be machined, the setup person must remove the current top tooling from the chuck, find the set of jaws to be used for the new setup, mount the jaws to the chuck, clamp on some form of temporary plug or ring, and machine the jaws.
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It's A Machine Tool Robot
This machine has a dual identity. It looks like an industrial robot. In some applications, such as assembly, it is. However, put a spindle and cutting tool on the end of this five-axis machine and it becomes a machining and drilling center. The inherent stiffness of the machine's tripod design makes it accurate enough to machine aerospace and automotive applications.
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Are You Turning Fast Enough?
Let's face it. When most shops go looking for process improvements, turning is seldom at the top of the list. Sure, many shops these days are doing fine work in such areas as reducing lathe setup, combining milling and turning operations on a single machine, and automating workpiece handling functions. But for all the talk of high speed machining and other milling and drilling process improvements, precious little of that kind of thinking is being applied to the turning process itself.
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