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Type: Posts; User: BillPSu

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  1. Replies
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    mikejkd To slice up your model create a planar...

    mikejkd
    To slice up your model create a planar surface in the direction you want to slice. The plane must be larger than the model. Create an array of surfaces using Transform/Array/Rectangular...
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    You could use a low melting point metal such as...

    You could use a low melting point metal such as MCP 70. Melting point is 70-75 degrees C. the following is a link to their site.

    http://www.mcp-group.com/alloys/lmpa_workh.html
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    973

    Gears are made from everything from plastic to...

    Gears are made from everything from plastic to hardened steel. Carburized (Case)hardened steel gears are made from typically 8620 which creates a hard case with a ductile soft core. Through hardened...
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    2,663

    The real answer is it depends on the quality and...

    The real answer is it depends on the quality and condition of the machine tool. A manual Hardinge toolroom lathe can hold those tolerances and a Hardinge CNC can also do it. You may have to use some...
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    This type of MMC material is typically called...

    This type of MMC material is typically called whisker reinforced aluminum. This material is used in application where light weight and great stiffness is required. Machining this material can be...
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    Probably the most widely used reference book for...

    Probably the most widely used reference book for an engineer, toolmaker, and machinist is the Machinery's Handbook. It will cost $50-$100 depending on new/used and edition but it is by far one of the...
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    The reason for a skimmer is to remove the layer...

    The reason for a skimmer is to remove the layer of oil from the top of the sump and allow air to get to the coolant. Anaerobic microbes is the source of most bad smelly coolants. There are...
  8. Thread: Solar power

    by BillPSu
    Replies
    58
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    7,113

    There is new technology being developed using...

    There is new technology being developed using polymers instead of silicon. This came from the new polymer LED research which is also going on.

    http://www.cdtltd.co.uk/technology/41.asp
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    The machines build the part layer by layer and...

    The machines build the part layer by layer and use a special file format .stl (stereolithography) Normally using the plastic machine the shell of the part is solid while the internal portion has some...
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    The glue gun concept is used in some of the...

    The glue gun concept is used in some of the current machines but controlling the size of the extrusion, the rate of deposition, the spacing, and then you will need another material to be used for the...
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    The key to rapid prototyping is the material...

    The key to rapid prototyping is the material which is used to make the model and how to apply the material. The materials used vary from paper to wax to powdered or liquid plastic to even metal. All...
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    The designer of the part didn't review the...

    The designer of the part didn't review the tolerance of the thread when he designed the part and put the tolerance he needed on the assembly and put the problem on manufacturing's back. A solution...
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    The feedrate calculation will have to be based on...

    The feedrate calculation will have to be based on the distance away from the centerline of the C axis. 5" from centerline and moving 360 degrees per minute yields 31.4 IPM. If movement on Z axis...
  14. Poll: Started programming in 1974 in N/C equipment with...

    Started programming in 1974 in N/C equipment with paper tape. Programmed till 1986 and was strictly a manufacturing engineer till 1993. Moved into purchasing. Returned to school and just received my...
  15. Thread: cutter gouging

    by BillPSu
    Replies
    25
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    4,224

    Are you using cutter comp? If you turn it on...

    Are you using cutter comp? If you turn it on without radiusing into the cut it will jump when the comp comes on, either into the work piece or away from the work piece depending on what value is in...
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    Increasing the tap drill size will help. Drilling...

    Increasing the tap drill size will help. Drilling the tap drill hole deeper or through will increase the chip clearance below the tap and allow you to use a spiral point tap. If you cannot do any of...
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    You will need to know the velocity the air is...

    You will need to know the velocity the air is moving. Which is based on the spring/piston velocity. Theoretically if the spring moves the 1.5 inches instantaeously then the pressure will be infinite....
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