RHINO ROBOTICS LTD.
CNC MILL COMPARISON
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Mechanical |
RM/5 MILL |
RM/6 MILL |
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Mill type |
Vertical Milling Machine |
Vertical Milling Machine |
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Ways construction |
Aluminum ways with adjustable gibs |
Precision ground prefabricated steel ways |
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Base and Column |
Aluminum base and steel column |
Ground heavy steel fabrications |
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Bed and Carriage |
Aluminum |
Cast iron |
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Way Bearings |
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Double length ball bushes on ground steel ways |
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Z axis thrust bearing |
Ball bearing |
Ball bearing |
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X & Y thrust bearings |
Steel |
Ball bearing |
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All other bearings |
Bronze sintered bearings |
Sealed ball bearings throughout |
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Lead screws |
Turned stainless |
Precision, rolled |
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Lead screw nuts |
Brass alloy, precision cut |
Ball nuts with preloaded zero back lash |
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Spindle |
RM/5 MILL |
RM/6 MILL |
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Spindle nose |
3/4-16 tpi |
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Spindle nose taper |
#1 Morse taper |
R8 industrial standard |
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Tool holder provided |
Nut for taper |
1/4, 3/8 & 1/2 R8 collets or holders |
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Spindle motor |
0.5 Hp universal |
0.5 Hp PMDC
motor |
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Speed control |
Manual |
Full speed control from computer |
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Reversibility |
Non-reversible |
Reverse capability from computer |
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Spindle drive control |
Manual DC |
DC servo with incremental encoder |
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Power requirements |
10 amps at 120 VAC, 60 Hertz, single phase |
15 amps at
120 VAC, 60 Hertz |
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Speed range |
100 to 2500 rpm, manual control (SCR) |
300 to 3500 rpm in two ranges, reversible |
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Spindle bearings |
Sealed precision ball bearings, both ends |
Sealed precision ball bearings, both ends |
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Hole through spindle |
0.405" |
0.468" |
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Bed and Travel |
RM/5 MILL |
RM/6 MILL |
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Table material |
Aluminum |
Ground cast iron |
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Overall size |
13" x 2.75" x .875" |
21.0" x 7.0" x 1.25" |
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Maximum X travel |
6.25" |
12.0" |
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Maximum Y travel |
2.25" |
6.5" |
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Maximum Z travel |
5.5" |
8.5" |
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Maximum feed rate X,Y |
7.0 inches per minute |
50 inches per minute |
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Maximum feed rate Z |
7.0 inches per minute |
80 inches per minute |
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Maximum rapid travel rate X,Y |
7.5 inches per minute |
70 inches per minute |
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Maximum rapid travel rate Z |
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100 inches per minute |
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X direction resolution |
0.0003" per step of motor |
0.0005" |
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Y direction resolution |
0.0003" per step of motor |
0.0005" |
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Z direction resolution |
0.0003" per step of motor |
0.0001" |
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Table to tool distance |
8.0" |
12.75" |
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Spindle to column distance |
2.125" |
6.25" |
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Dimensions |
RM/5 MILL |
RM/6 MILL |
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Cabinet overall |
36.0" wide x 20.0" deep x 24.0" high |
28.0" wide x 32.5" height x 32.5" depth |
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Weight |
200# |
350# |
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Electronics |
RM/5 MILL |
RM/6 MILL |
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Controller type |
DOS computer |
DOS computer |
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Memory requirements |
2 meg |
4 meg |
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Computer interface |
RS-232C serial |
RS-232C serial |
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PC card in computer |
None |
None |
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Home position detection |
X, Y and Z axes |
X, Y and Z axes, optical flags |
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Over travel detection |
Software detection |
X, Y and Z axes, optical flags, both directions |
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Robotic |
Standard 4 line handshake |
Standard 4 line handshake |
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Programmable Logic Controller |
Standard 4 line handshake |
Standard 4 line handshake |
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Others |
User #1, User #2 are dry DPDT relays |
User #1, User #2 are dry contact DPDT relays. All fully programmable from controller. |
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Lathe Software |
RM/5 MILL |
RM/6 MILL |
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Operating system |
Rhino proprietary |
Rhino proprietary |
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Application |
RS-274D standard |
ISO/RS-274D standard |
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Standard followed |
Fanuc 6M standard |
Fanuc 6M standard |
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Commands followed |
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CAD/CAM support |
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Uses Fanuc 6M post processors. Can be used from any CAD/CAM system. |
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Controls on the Mill |
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These controls are provided on the milling machine control panel for either mill. |
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Operating Software |
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The software is designed to be used on a DOS compatible computer. The software is designed to introduce the student to the intricacies of the operation of Computer Numerically Controlled (CNC) machines. It has an extensive help system built into the software. This help system can be summoned at any time with the F1 function key.
The language that is implemented is a large subset of the RS-274D standard put forth by the Electronic Industries Association (EIA). The Fanuc 6M dialect is followed faithfully.
Software allows program to be downloaded to the mill and allows for fully automatic stand-alone operation without the computer being connected to the mill. |
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5928 State Route 128
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