RETURN 320+ AL

Manufacturer: Bosch Rexroth

Material #: 3842547521

Model : RETURN 320+ AL

***Disclaimer: The following summary contains information gathered from various sources such as product descriptions, technical specifications and catalogs. While efforts have been made to provide accurate details, inaccuracies may occur. It is advised to verify all information by contacting Bosch Rexroth directly.***
The Bosch Rexroth RETURN 320+ AL (3842547521) is a versatile and advanced return unit designed for conveyor systems. This unit features a reduced noise emission owing to its slide rails that are carefully guided within the return unit. It is engineered to allow the installation of a drive kit on either the right or left side, which includes the motor, coupling, and flange. The RETURN 320+ AL also facilitates the drive of a parallel conveyor section or bridge with an integrated standard hexagonal hollow shaft. The ball bearings are made from non-rusting steel and include a seal on both sides along with FDA-compliant grease filling, ensuring durability and compliance with health standards. The side elements of this return unit come with slots for attaching holders for lateral guides or similar components, which enhances its adaptability in various conveyor setups. The housing is constructed from die-cast aluminum that's powder-coated for additional resilience, while other parts such as the chain wheel and chain guide are made from PA (polyamide). For larger sizes, the hexagonal shaft is crafted from non-rusting steel. This product supports all track widths and chain types while being capable of handling a maximum permissible chain tensile force. Its innovative design allows for operation as either a standalone return unit or as a head drive when paired with a drive kit, without requiring a chain bag. It offers flexibility in terms of conveying speeds and can be used to implement parallel sections with minimal gap dimensions. The RETURN 320+ AL has been designed for high flexibility and rapid delivery times due to its standardized components. It is not suitable for reversible operations but can accommodate pulling sections; pushing and reversible operation options are available upon request. The stainless steel ball bearings ensure smooth operation and maintenance intervals may be shortened due to potential chain elongation. With its high-quality materials and construction, this unit promises reliable performance in facilitating efficient conveyor operations.

$1,113.07 USD

More are expected on January 27, 2025

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Status: This product is temporarily out of stock.

Qty: Delivered as early as January 27, 2025 when ordered in

RETURN 320+ AL

Return unit AL; VFplus 320

Unpacked Weight: 3.54 kg

In-stock, standardized components Side elements with slots for accommodating holders Pulling section; pushing and reversible operation on request High flexibility and short delivery times thanks to a novel drive concept Stainless steel ball bearings, with sealing on both sides and FDA-compliant grease filling Implementation of parallel sections with gap dimension down to zero Side elements with slot to attach holders for lateral guides, or similar

Thanks to the innovative drive concept, the return unit can be operated simply by itself or supplemented with a drive kit to be operated as a head drive without chain bag. The section length is limited to a maximum of 7 m.

Size: all track widths Suitable chain types: all Permissible chain tensile force

Return unit function: Fmax = 1250 N

Head drive function without chain bag: Fmax = 600 N

With shortened maintenance interval, due to chain elongation

Section length for return unit function: L ≤ 30 m

Section length for drive function: L ≤ 7 m

Conveying speed: vN = 2-60 m/min, other speeds available on request Use in combination with the drive kit as a wedge conveyor drive Not suitable for reversible operation

Innovative drive concept

Reduced noise emission due to slide rails guided in the return unit
Installation of the drive kit possible on the right/left (motor, coupling, flange)
Drive of a parallel conveyor section or bridge using a hexagonal hollow shaft integrated as standard
Ball bearing made of non-rusting steel (1.4301), with seal on both sides and FDA-compliant grease filling
Side elements with slot to attach holders for lateral guides, or similar

Data Sheet	Download Data Sheet
3D CAD	Download 3D CAD

Productgroup ID	2
Effective sliding rail length	4x 0,2
Actual chain length	0,742
Weight	3.54
Scope of delivery	Incl. fastening material
Delivery information	Fully assembled
Required accessories	Slide rail: Length calculation,For use as a drive:Assembly moduleDrive kitMotor support
Size [b]	320
Material information	Housing: Diecast aluminum, powder-coated,Chain wheel: PA,Chain guide: PA,Hexagonal shaft up to size 160: PA, from size 160: Non-rusting steel 1.4301 + PA,Connector: Steel, galvanized,Ball bearing: Non-rusting steel 1.4301/FDA
Track width in direction of transport [b]	320

Combination matrix

		Straight			Curves				Drives				Return Unit
		Section profile AL open	Section profile AL closed	Assembly module	Curve wheel	Roller curve*	Horizontal sliding curve	Vertical curve	Head drive	Curve wheel drive	Connection drive	Center drive (STS)**	Basic unit	90° (STS)**	Transmission kit
Straight	Section profile AL open	J
	Section profile AL closed	J	J
	Assembly module	J	J	N
Curves	Curve wheel	J	J	L2)	L2)
	Roller curve*	J	N	J	N	L1)
	Horizontal sliding curve	J	J	J	J	N	L1)
	Vertical curve	J	J	J	J	L1)	L1)	L1)
Drives	Head drive	J	J	L2)	L2)	L1, 4)	L1)	L1, 4)	N
	Curve wheel drive	J	J	L2)	L2)	N	L1)	L1)	N	N
	Connection drive	J	J	L2)	L2)	N	L1)	L1)	N	N	N
	Center drive (STS)**	L5)	L5)	L2, 5)	L2, 5)	N	L1, 5)	L1, 5)	N	N	N	N
Return Unit	Basic unit	J	J	L2)	L2)	L1, 4)	L1)	L1, 4)	L2)	N	N	L2, 3)	L2, 3)
	90° (STS)**	L5)	L5)	L2, 5)	L2, 5)	N	L1, 5)	L1, 5)	N	N	L2, 5)	N	N	L2)
	Transmission kit	N	N	N	N	N	N	N	J	N	J	N	J	N	N
J	possible without restrictions		* Support profile must project 76+2 mm into the roller curve.
L	possible with restrictions		** AL-STS adapter included in the scope of delivery.
N	not possible

1)	Profile connector not required
2)	Use of a profile piece (Lmin = 120 mm)
3)	Assembly module required
4)	For sizes 160-320: shorten the support rail on the dotted line
5)	Use of the AL-STS adapter

Return unit AL

Note: High-pressure cleaning of the ball bearings is not permitted.

RETURN 320+ AL

Manufacturer: Bosch Rexroth

Material #: 3842547521

Model : RETURN 320+ AL

More are expected on January 27, 2025

Combination matrix

Return unit AL

Slide rail

Slide rail

Assembly module AL

Assembly module AL

Drive kit

Drive kit

Transmission kit

Transmission kit

Section support 65-120 AL

Section support 65-120 AL

Section support 160-320 AL

Section support 160-320 AL

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