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  ·ç¨åà¹§É "STRANDS" Drilling Machine: S28




S-28

¡§STRANDS¡¨ DRILLING MACHINE ·ç ¨å ๠§É

Model: S25 / S25M / S25B / S25BM

Model: S28 / S28M / S28B / S28BM

Model: S35ME

Model: S40 / S40M

 

** B for Bench, M for Power feed, ME for Tapping**

 

Standard equipment :

u          Drill head :

The drill head is adjustable through 360¢X around the column and can be elevated and lowered.

S40 The drill head is fixed on top of the column.

u          Gearbox :

Helical gears combined with steel gears against reinforced fibre gears in the main gear box ensure higher operation efficiency, a more powerful drive mechanism and smooth operations. The noise level and maintenance of the gear box are reduced to a minimum.

u          Power feed :

Option on models S25M, S28M, S35M, S40M

The feed gear box is provided with an automatic overload protection device, which starts when the drill pressure is too high. When the set depth is reached, the spindle automatically returns to start. The feed can also be interrupted manually.

u          Table :

The rigid, turable table is constructed of high quality cast iron. On S-40 (M) the table is fixed. All tables are provided complete with T-slots and coolant channel and are mounted on a rigid arm, which rotates 360¢Xaround the column, plus an easily accessible crank for elevating and lowering the table to a suitable working height.

u          Drill spindle :

The drill spindle is mounted in ball and roller bearings and the lower spindle roller bearing is situated as close to the lower part of the spindle as possible ensuring great precision and stability. It is adjusted by the journals in the bearing, which guarantees very small tolerances. The spindle is counterbalanced by a tension spring and the spindle return can be adjusted to the weight of the tool.

u          Column :

The column is made if steel, ensuring machine rigidity and precision with a minimum of deviation from a stipulated angle between drill and table.

u          Base plate :

S25 has a plane base plate. Other models are equipped with a machined base plate.

u          S35ME / S40ME :

Start/stop of the automatic feed is controlled by buttons. The stop can also be set by the stop shoulder on the depth gauge scale and the automatic feed stops, when reaching the set drill depth. Hand and automatic reversing for tapping are standard.

 

SPECIFICATIONS §Þ³N°Ñ¼Æ¡G

MODEL «¬ ¸¹¡G

S28 / S28M / S28B / S28BM

Drilling capacity

30mm

Quill movement

150mm

Tapping capacity

M 16

Morse taper

MK/MT 3

Motor power 50Hz

0,9 kW / 1,2 kW

Motor power 60Hz

1,1 kW / 1,5 kW

Spindle speeds 50Hz

75-160-265-440-535-890-1490-3010

Spindle speeds 60Hz

90-190-320-640-530-1060-1790-3610

Feed speed

0,10-0,15-0,22-0,30mm/rev.

Net weight

235 kg / 260 kg / 175 kg / 190 kg

Size of 2-3 spindle tables and Working area

700x1400mm  /  470x1280mm

Size of 4 spindle tables and Working area

700x1850mm  /  470x1750mm

 



      
WING CHEUNG MACHINERY COMPANY
TEL: 2374 3216 , 2388 0096
Fax: 2388 5916 , 2787 1764
wingcheungmachinery@gmail.com