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Product description

Heidenhain 532729-13 is an ERA 4800C graduation drum for an incremental modular angle encoder without an integral bearing. The component is designed for integration into direct drives, rotary tables and high-precision machine tools that require a large hollow-shaft diameter and compact installation. With 5,000 lines and an 80 µm grating pitch, the steel drum achieves a system accuracy of ±3 arc seconds for demanding positioning and control duties. Drum outside diameter is 127.64 mm and inside diameter is 80 mm. The steel measuring standard has a thermal expansion coefficient of α ≈ 10.4 × 10⁻⁶ K⁻¹, supporting stable measurement as temperature changes. A total of 10 distance-coded reference marks with a 72° nominal increment permit rapid and precise datum acquisition without a full axis revolution. In combination with the matching AK ERA 4880 scanning head, the system supplies an analogue 1 Vpp output signal from a DC 5 V ± 0.5 V supply. Maximum permissible speed is 6,250 min⁻¹; without fault exclusion, 12,250 min⁻¹ is possible. Moment of inertia is 1.9 × 10⁻³ kgm². The operating temperature range of Heidenhain 532729-13 is −10 °C to +70 °C, with a storage range of −20 °C to +70 °C. Before replacement, compare the complete identification, drum diameters, line count, reference-mark arrangement, scanning head and mounting geometry. Correct mechanical alignment between drum and scanning head is essential for the specified measurement performance. Available directly from our warehouse in Germany.

Heidenhain 532729-13

Specifications

Manufacturer Heidenhain
Product series ERA 4800C
Manufacturer/Order/Identification number 532729-13
Measuring-system type Incremental, modular, without integral bearing
Line count 5,000 lines
Grating pitch 80 µm
System accuracy ±3 arc seconds
Reference marks Distance-coded, 10 marks, nominal increment 72°
Outside diameter 127.64 mm
Inside diameter 80 mm
Maximum speed 6,250 min⁻¹ (with fault exclusion: 12,250 min⁻¹)
Moment of inertia 1.9 × 10⁻³ kgm²
Expansion coefficient α ≈ 10.4 × 10⁻⁶ K⁻¹ (steel)
Operating temperature −10 °C to +70 °C
Storage temperature −20 °C to +70 °C
Cooling method Natural convection
Weight approx. 0.9 kg
Control cabinet with PLC modules and automation components
Machine downtime in a production environment

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Product safety

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FAQ

Frequently asked questions

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Is there a warranty?

Yes. We provide a 14-day functional warranty for used items. The component must be functional on arrival, and the warranty applies only while the warranty seal remains undamaged. If a fault occurs within 14 calendar days, please contact us in writing. Depending on availability, we will either provide a replacement or refund the full purchase price after the item has been returned. Further details are set out in the terms and conditions supplied with our quotation.

How quickly do you ship, and which shipping options are available?

We normally dispatch available items immediately and, in many cases, on the same working day. For urgent requirements or machine downtime, we will identify the fastest suitable option and can confirm a specific delivery window on request. Express shipping and collection from our premises are also possible by arrangement. We ship worldwide using reliable parcel and freight carriers; freight shipments may require additional preparation to ensure safe delivery.

Is there a guarantee?

Yes, we provide a 14-day functional guarantee for used items. This means the component must be operational when received.

Please note that the guarantee only applies when the warranty seal is undamaged.

If a defect occurs within 14 calendar days, please contact us in writing. Subject to availability, we will provide a replacement or refund the full purchase price after return.

Further details are provided in the terms and conditions supplied with your quotation.

How quickly do you dispatch and which shipping options are available?

We generally dispatch immediately - in many cases on the same working day. For particularly urgent requirements or machine downtime, we find a suitable solution as quickly as possible and provide a specific delivery window on request.

Express shipping or collection from our premises is also possible, depending on the situation. State your requirements during the ordering process or contact us directly.

We ship worldwide and work with reliable shipping partners, from parcel services to freight forwarding. Freight shipments normally require some preparation so the goods arrive safely and undamaged.

Which payment methods are available?

Payment is normally made by bank transfer against invoice. Payment is due within 10 calendar days of receiving the goods.

As a rule, we offer purchase on account for all customers. In individual cases, such as new customers or particularly high-value components, we may agree advance payment. This decision is made individually and communicated transparently.

Can we return items if they were ordered incorrectly?

Because we sell exclusively to business customers (B2B), there is no general right of return and no consumer right of withdrawal.

Please note that returns of functioning goods are generally excluded. In justified exceptional cases, we can assess an individual solution, but this is not the standard procedure.

Is there a discount when ordering several items?

For larger order quantities or several items of one type, we can offer individual discounts.

Simply send us a quick enquiry - we check availability and will gladly prepare a tailored quotation with quantity pricing.

Do you also purchase industrial spare parts?

Yes, we also purchase automation components, such as frequency inverters, PLC assemblies, panels, servo motors and CPUs. Components from Siemens, Lenze, Schneider Electric, Control Techniques or Heidenhain are especially sought after, and other brands are also possible.

The process is straightforward: email us an inventory list or overview photos at info@reha-industriekomponenten.de. We calculate a market-based purchase price and send you an offer.

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