Setting up Mill for 2020/2040 stock milling

20180216

Goal: Setup mill to consistently/repeatedly mill 10mm in from end of 2020 profiles along the centerline

  1. Bolt Vice in making sure is at right angle to x axis
  2. Put custom alignment tool into 12mm Collet & mount into mill (push as far as possible into collet)
  3. Pack rear of vice with 2020 Length and align alignment tool to this 2020
  4. Put custom alignment piece of 2020 on rigght side and align to inside of this

That’s it

Milling Machine RF20 (Bemato BMT30J)

Arrived is a 1995 vintage Bomato BMT30J

Looks exactly like a Rong Fu RF30.. Uncanny!  RF-30_manual

Mods for RF30 (larger but very similar)

  • https://www.youtube.com/watch?v=hRwu9plKfO4

Roughly measured:

  • X Travel = 550mm
  • Y Travel = 180mm
  • Z Travel = 110mm

 

20170814

 

 


Factory info (2017):

 


SPECIFICATION
:


MODEL


BMT 30S


BMT 30J

DRILLING CAPACITY

32mm

32mm

FACE MILL CAPACITY

19mm

19mm

TAPPING CAPACITY

76mm

76mm

SWING

405mm

430mm

SPINDLE TAPER

MT3 or R8 , NT30

MT3 or R8

SPINDLE TRAVEL

130mm

110mm

QUILL DIAMETER

75mm

62mm

COLUMN DIAMETER

115mm

95mm

SPINDLE NOSE TO TABLE

480mm

395mm

X AXIS TRAVEL

430mm

350mm

Y AXIS TRAVEL

190mm

180mm

TABLE SIZE

730 x 210mm

660 x 190mm

TABLE SLOT

16mm

16mm

BASE SIZE

610 x 400mm

560 x 340mm

SPINDLE SPEED

12 Speed, 50HZ: 4P: 90~2150RPM , 8P: 50~1040RPM
60HZ: 4P: 110~2580RPM , 8P: 60~1250RPM

MOTOR

1-1/2HP (2HP)

1HP (1-1/2HP)

COOLANT MOTOR

1/8HP, 3ph

MACHINE SIZE

1080 x 1100 x 1100mm

950 x 1030 x 980mm

STAND SIZE

750 x 560 x 790mm

N.W. / G.W.

270 / 300 kgs

180/ 200 kgs

PACKING SIZE (L x W x H)

MACHINE

915 x 760 x 1140

760 x 760 x 1140mm

STAND

840 x 580 x 200mm

*The above specitications are subject to change without
prior notice.

20180216 Is Missing the Machine key to use the ‘Drill’ feed (and spring as well)

  • Machine key is 6mm wide by 20mm long round end