Transfer systems

Karl workbenches

Karl transfer systems link individual workstations into a continuous assembly and material flow line. The range covers height-adjustable transfer base frames and add-on frames in widths of 815 and 1225 mm, continuous roller strips, the Sintro transfer frame in 1230x750, 1530x750 and 1830x750 mm, and ball table tops on which workpiece carriers are rotated with minimal effort and handed on to the next station. Ball table tops accept carriers with footprints from 300x300 to 600x600 mm. Ball table tops, Sintro frames and roller strips are available in standard or ESD versions for use in EPA zones.

⚙ Transfer base frames - widths 815 and 1225 mm, depths 400/500/700 mm, height 680-980 mm continuously adjustable

⊕ Transfer add-on frames - extend an existing line, same widths, depths and height adjustment as the base frames

⬡ Continuous roller strips - 815x400 and 815x600 mm plus 1225x300, 1225x400 and 1225x600 mm, in standard and ESD versions

↕ Sintro transfer frame - 1230x750, 1530x750 and 1830x750 mm, height 740-1040 mm, ready to take roller or ball strip inserts

📦 Ball table tops - table sizes 1230x750, 1530x750 and 1830x750 mm for workpiece carriers 300x300 to 600x600 mm

✓ ESD version - electrostatically dissipative, for workpiece carrier transport in EPA zones to IEC 61340-5-1

Type	Sizes	Carrier footprint	Version
Ball table top	1230x750 / 1530x750 / 1830x750 mm	300x300 to 600x600 mm	Standard + ESD
Sintro transfer frame	1230x750 / 1530x750 / 1830x750 mm, height 740-1040 mm	-	Standard + ESD
Transfer base frame	width 815 / 1225 mm, depth 400 / 500 / 700 mm, height 680-980 mm	-	Standard
Transfer add-on frame	width 815 / 1225 mm, depth 400 / 500 / 700 mm, height 680-980 mm	-	Standard
Continuous roller strips	815x400 / 815x600 / 1225x300 / 1225x400 / 1225x600 mm	-	Standard + ESD

Typical applications: manual assembly stations with recirculating workpiece carrier transport, hand assembly workstations in switchgear construction, device assembly and electronics manufacturing with standardised carriers, ESD-EPA zones using dissipative ball table tops for ESD-sensitive assemblies, linking several workstations via base and add-on frames with continuous roller strips, and buffer stations between automated conveyor sections where carriers are passed on manually.

What are Karl ESD transfer systems and what industrial applications do they serve?

Karl ESD transfer systems are modular ball-transfer table solutions designed for ergonomic workpiece handling in electronics manufacturing, semiconductor assembly, and precision manufacturing environments. These systems feature integrated ball-transfer mechanisms that allow omnidirectional movement of workpiece carriers ranging from 300x300 mm to 600x600 mm formats on table surfaces measuring 1230x750 mm to 1830x750 mm. The ESD-safe variants provide electrostatic discharge protection critical for handling sensitive electronic components during assembly, inspection, and packaging operations in cleanroom and controlled manufacturing environments.

What are the key technical selection criteria for Karl ball-transfer table systems?

Selection of Karl ball-transfer systems depends primarily on workpiece carrier dimensions and table size requirements, with available formats supporting carriers from 300x300 mm up to 600x600 mm on table surfaces ranging from 1230x750 mm to 1830x750 mm. The critical decision between ESD-safe models (designated .89) and standard versions (.88) depends on electrostatic sensitivity of handled components. Table depth remains standardized at 750 mm across all models, while length varies between 1230 mm, 1530 mm, and 1830 mm to accommodate different production line layouts and workspace configurations.

Which standards and certifications apply to Karl ESD transfer systems?

Karl ESD transfer systems comply with IEC 61340-5-1 standards for electrostatic discharge control in electronics manufacturing environments, ensuring surface resistance values within the required 10^6 to 10^9 ohm range for ESD-safe applications. The systems meet DIN EN 61340-4-1 requirements for ESD protective workstations and are designed according to ISO 14644 cleanroom compatibility standards where applicable. ESD variants feature conductive pathways that maintain electrical continuity to ground, meeting the stringent requirements for handling ESDS (Electrostatic Discharge Sensitive) components in accordance with ANSI/ESD S20.20 workplace protection standards.

What are the differences between ESD and standard Karl ball-transfer table variants?

The primary distinction between Karl transfer systems lies in the ESD protection capability, where models ending in .89 designation feature anti-static properties while .88 models are standard non-ESD versions. ESD variants incorporate conductive materials and grounding provisions to dissipate static charges safely, making them suitable for electronics manufacturing, while standard versions serve general industrial applications without electrostatic sensitivity concerns. Both variants offer identical mechanical specifications and ball-transfer functionality, but ESD models command higher pricing due to specialized conductive materials and manufacturing processes required for static discharge protection.

What are the installation requirements and system compatibility for Karl transfer systems?

Karl transfer systems require mounting on compatible support structures with standardized bolt patterns, typically integrating with existing Karl workstation frameworks or custom industrial tables with adequate load-bearing capacity. The systems feature modular design allowing integration with Karl's comprehensive workstation ecosystem including height-adjustable supports, storage components, and ergonomic accessories. Installation requires proper grounding connections for ESD variants to ensure electrical continuity to facility ground systems, with recommended grounding resistance below 1 megohm. The ball-transfer mechanisms are pre-installed and require no field assembly, enabling rapid deployment in production environments.

What safety ratings and environmental specifications apply to Karl ball-transfer systems?

Karl ball-transfer systems are designed for indoor industrial environments with operating temperature ranges typically between +5°C to +40°C, suitable for standard manufacturing facility conditions. The systems feature robust construction meeting industrial safety requirements with smooth ball-transfer mechanisms that eliminate sharp edges and pinch points during workpiece handling operations. Load capacity specifications ensure safe handling of typical workpiece carriers and components within designated weight limits, while the low-profile design minimizes ergonomic strain during manual positioning tasks. ESD variants maintain their anti-static properties across the specified temperature and humidity ranges common in electronics manufacturing environments.

What maintenance schedule and service life can be expected from Karl transfer systems?

Karl ball-transfer systems require minimal maintenance consisting of periodic cleaning of ball mechanisms and surface inspection every 3-6 months depending on operating environment and usage intensity. The ball-transfer units are designed for extended service life exceeding 10 years under normal industrial conditions, with individual ball assemblies being replaceable if wear occurs. Regular inspection should verify smooth ball rotation, surface integrity, and for ESD variants, periodic resistance testing to confirm continued anti-static performance within specified limits. Cleaning procedures must avoid harsh chemicals that could compromise ESD properties, with isopropanol or specialized ESD-safe cleaners recommended for surface maintenance.

Transfer systems

Technical features

Product overview: frames, roller strips and ball table tops

Typical applications