The automatic machining centre for drilling and screwing of metal reinforcement SBZ SF2 consists of an horizontal screwing center with 2 screwing units, a triple drilling unit, a single-tool unit for drilling hinges and horizontal units for drilling montage holes on all frames type Z and L. Optionally it can be equipped with a multi-tool unit for drilling the hinges. SBZ SF2 consists of an automatic magazine with a throughfeed system for profiles up to 3500 mm, complete with gripper movement to block the profile, inside which the metal support of aluminum or iron has already been inserted in place. Thanks to the movement of the gripper, the feeder returns to the start position allowing the loader to prepare the next profile at the same time. In the central part there is a double pneumatic horizontal screwing unit, which can be automatically adjusted vertically and horizontally by software, fixes the metal support with self-tapping screws that automatically reach the machine from a loader; a triple drilling unit to make cremonese handle holes and 2 drilling units for montage holes for frames. The unit is composed of a transverse belts magazine to unload machined workpieces. The machining unit is equipped with a sound-proof cabin in the central operating part. SBZ SF2 can be connected to a SBZ SM machining center in order to obtain a continuous process an optimize plant productivity.

Technical data arrow_drop_down
MACHINE SPECIFICATIONS 
Number of controlled axes
5
Dowel drilling units no.
2
Triple drilling unit
 
Single-tool unit for drilling hinges
 
Multi-tool unit for drilling hinges
 
Screwing units
2
Maximum no. of screwing units
4
Bar positioning speed (m/min)
50
Operating pressure (bar)
6 ÷ 8
Air consumption (Nl/min)
320
Installed power (kW)
10
Provision for installation in-line with SBZ SM machining centre
 
Programmable digital adjustment of the clamp pressure
 
WORK AREA 
Frame locking system with pneumatic vices
 
Minimum profile height (mm)
45
Minimum profile width (mm)
40
Maximum profile height (mm)
160
Maximum width of the profile (mm)
130
Maximum reinforce thickness (mm)
3
LOADING UNIT: PROFILE POSITIONING 
Loading feeder with 2 controlled axes gripper
 
Maximum loadable length (mm)
3500
Minimum loadable length (mm)
450
Profile loading in concurrent operation time
 
Maximum machinable profile section - W x H (mm)
130 x 160
Minimum machinable profile section W x H (mm)
40 x 45
Profile length dimensional check
 
Metal reinforcement detector
 
DOWEL DRILLING UNITS 
Electrospindles with air cooling
 
Maximum power in S1 (kW)
1,1
Maximum speed (rpm)
6000
Toolholder
ER 25
Tool diameter (mm)
6 / 8
TRIPLE DRILLING UNIT 
Triple tips unit
 
Tools diameter (mm)
10 / 12 / 10
Maximum power in S1 (kW)
1,5
Maximum speed (rpm)
900
FRAME HINGES DRILLING UNIT 
Drilling unit
 
Tools diameter (mm)
5 / 6
Maximum power in S1 (kW)
1,1
Maximum speed (rpm)
6000
Toolholder
ER 25
Multiple tips unit
 
SCREWING UNIT 
Number of screwing units
2
Second couple of automatic screwing units for metal reinforcement with automatic screw feeding
 
Minimum profile length with screwing of reinforcement (mm)
400
Screw minimum length (mm)
16
Screw maximum length (mm)
20
Screw head diameter (mm)
6,5 ÷ 7,5
Screw diameter (mm)
3,9 ÷ 4,2
Discharging time of screw from loader (s)
0,1
Remote control on operator interface for screw ejection and feeding
 
UNLOADING UNIT: 
Belt unloading magazine for workpieces of up to 3.500 mm
 
Belt magazine unloading depth (mm)
1800
Extraction NC clamp
 
Fast profile unloading system
 
Included       
Avayable

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