SBZ SF

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The SBZ SF2 automatic machining centre for drilling and screwing of metal frames consists of a horizontal screwing centre with 2 screwing units, a triple drilling unit, a single-tool unit for drilling hinges and horizontal units for assembly drilling on all Z- and L-type frames. As an option, it can be equipped with a multi-tool unit for drilling hinges. The SBZ SF2 consists of an automatic magazine with a through-feed system for profiles up to 3500 mm, complete with gripper movement to clamp the profile containing already an aluminium or iron metal support. Thanks to the synchronised movement of the gripper and bar magazine, the feeder returns to the start position allowing the loader to prepare the next profile at the same time. A pneumatic double horizontal screwing unit is located in the central part and can be automatically adjusted both vertically and horizontally via software. The unit fixes the metal support with self-tapping screws that automatically reach the machine from a loader, a triple drilling unit for drilling holes for cremone bolts and 2 drilling units for frame mounting holes. The unit consists of a transversal belt magazine for the unloading of machined workpieces long up to 3500 mm. The machining unit is equipped with a soundproofed cabin in the central operating part which, in addition to protecting the operator, also reduces the environmental noise impact. The SBZ SF2 can be connected to the SBZ SM machining centre to achieve a continuous process and optimise system productivity. The machine is supplied with an intuitive operator interface for machining list management connected to the production programming software. Industry 4.0 ready.

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Technical data

MACHINE SPECIFICATIONS

Number of controlled axes

Dowel drilling units no.

Triple drilling unit

Single-tool unit for drilling hinges

Multi-tool unit for drilling hinges

Screwing units

Maximum no. of screwing units

Bar positioning speed (m/min)

Operating pressure (bar)

6 ÷ 8

Air consumption (Nl/min)

320

Installed power (kW)

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)

Minimum profile width (mm)

Maximum profile height (mm)

160

Maximum width of the profile (mm)

130

Maximum reinforce thickness (mm)

LOADING UNIT: PROFILE POSITIONING

Loading feeder with 2 controlled axes gripper

Maximum loadable length (mm)

3.500

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

Maximum power in S1 (kW)

1,1

Maximum speed (rpm)

6.000

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)

6.000

Toolholder

ER 25

SCREWING UNIT

Number of screwing units

Minimum profile length with screwing of reinforcement (mm)

400

Screw minimum length (mm)

Screw maximum length (mm)

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

DRILLING AND SCREWING UNITS WORKING CAPACITY

Electrospindle and screwing units configuration

Loading side view

UNLOADING UNIT

Belt unloading magazine for workpieces of up to 3.500 mm

Belt magazine unloading depth (mm)

1.800

Extraction NC clamp

Fast profile unloading system

Included

Available

Automatic loading and unloading

The transverse belt loading and unloading table enables handling PVC profiles safely, easily and ergonomically. The table is equipped with an automatic transport system by means of an extraction gripper that deposits the machined profiles on the unloading table.

Screwing unit

The machine is equipped with 2 pneumatic screwing units with automatic feeding, fitted on a rotary base with automatic movements on 2 NC axes. One unit is dedicated to screwing the reinforcement into profiles for sashes, the other machines profiles for frames.

Drilling unit for wall mounting

Two drilling units, which are parallel to the screwing units, are used to perform machining operations intended for wall mounting of frames.

Unit with three drill bits for Cremone bolt drilling

The drilling for mounting the handle is carried out by a unit with three drill bits located in the lower part of the rotary base dedicated to machining operations.

Installation in line with the SBZ SM machining centre

The maximum potential of this screwing centre is expressed by its perfect compatibility when installed in line with the SBZ SM machining centre. The wide range of machining processes of the machining centre, including profile preparation to allow Seamless welding, are completed with the screwing centre, in a balanced and efficient line.