Does the machine automatically accept any tank shape?

No. The workpiece contour, fixture, openings and tool clearance require a defined path and approved abrasive sequence. Validate the program on a representative part before repeating it.

Do four frequency inverters mean four CNC axes?

No. The page lists four inverters serving vertical drives, horizontal movement and rotation. Drive count is not the same as the number of independently controlled CNC axes.

Is 20 tons the standard capacity?

No. The standard load is 5 tons. The stated 1-20 ton range refers to different support configurations, which must be checked for workpiece weight, balance and handling.

Can 800 mm be used as the installation width?

No. The recorded 800 mm term refers to embedded base construction. The complete layout must cover the workpiece, rotary table, beam movement, loading, operator access and maintenance clearance.

Do the listed 10 m2/hour and Ra ≤0.4 µm apply to every vessel?

No universal guarantee is stated. Validate those current page indicators on the actual starting surface, material, contour and abrasive sequence. Include handling, changeover and inspection when measuring complete production output.

CNC Polishing Machine

CNC Polishing for Large Tank and Dished-End Production

This CNC Polishing Machine is intended for vessel manufacturers that need programmed finishing paths on large cylindrical tanks and dished heads. The listed workpiece diameter range is 1,000-5,000 mm, with upright tank height of 2,500 mm. Internal or external processing is selected around the actual surface and polishing-head access.

For repeated production, the key question is whether the vessel profile, fixture and abrasive sequence can be reproduced reliably. Food, pharmaceutical, chemical, energy and environmental-equipment workshops should first define the finishing surface and acceptance method, then check support, reach and installation requirements.

Column-and-beam CNC polishing arrangement with an abrasive head and rotary support for a dished head — Column, beam and rotary workpiece support. Confirm the head arrangement, fixture and access for the specific vessel surface; the image does not establish axis count.

Turn the Vessel Drawing into a Workable Polishing Path

Shell and head profile: identify the actual contour, knuckle radius and surfaces to finish, not only the maximum diameter.
Internal access: show openings, nozzle positions and fittings along the complete tool path.
Workpiece support: review weight, balance, fixture location and the rotary table arrangement.
Recipe setup: establish the path and abrasive stages on a representative workpiece before using the program for repeat batches.

Controlled Motion with Interchangeable Abrasives

The current configuration describes a base, column, horizontal beam, dual polishing heads and integrated control cabinet. Automated movement is coordinated with workpiece rotation. A 5.5 kW variable-frequency spindle works with a 2,540 x 50 mm abrasive belt, a 250 x 50 mm flap wheel, sisal wheels or cloth buffs according to the preparation and finishing stage.

Four frequency inverters are listed for vertical drives, horizontal movement and rotation. Their number is not a specification of four independently controlled CNC axes. CNC control defines movement; the incoming surface, contact conditions, tooling and number of passes still determine the finished result.

Current Product Specifications

Category	Specification
Workpiece Range	Ø1000mm-Ø5000mm (tanks & dished heads, both internal & external)
Vertical Height	2500mm (tank upright placement)
Load Capacity	1-20 tons (5 tons standard)
Total Power	Approx. 12kW
Spindle Motor	5.5kW variable-frequency motor
Axis Drives	4 frequency inverters: vertical (2x), horizontal, rotary
Beam Stroke	Max. 5000mm
Tools Supported	Abrasive belt (2540x50mm), flap wheel (250x50mm), sisal, cloth
Surface Finish	Ra ≤ 0.4um (mirror level)
Production Rate	Up to 10m2/hour (continuous operation)
Machine Size	L6000 x W800 (embedded base) x H5000mm

The standard workpiece load is 5 tons. The wider stated 1-20 ton range covers different configurations, not a single standard capacity. Beam stroke up to 5,000 mm is a motion limit and does not prove that every vessel of that length is accessible.

Foundation and Working Envelope

The recorded machine dimensions are L6,000 x W800 (embedded base) x H5,000 mm. The 800 mm entry concerns embedded base construction; it is not the complete machine working width. Obtain the installation drawing covering the rotary table, workpiece rotation, beam motion, lifting route and operator and maintenance clearances.

Finish Acceptance and Production Planning

The page lists Ra ≤0.4 µm and output up to 10 m2/hour in continuous operation. Treat these as application-dependent values to validate on the actual material, initial surface and contour. A continuous polishing rate excludes interruptions unless those are explicitly measured.

Agree the required finish by a roughness inspection plan or appearance reference.
Approve the contour path, support and abrasive sequence on a representative part.
Check surface consistency, tool access and dimensional change after cleaning.
Measure the whole cycle, including loading, programming/changeover, consumables and inspection.

Polishing capability does not establish food-equipment cleanliness, CIP/SIP suitability or pressure-vessel compliance. Compare the Tank & Dished End Polishing Machine for its different diameter and support arrangement, or the Tank Polishing Machine for predominantly cylindrical-shell work.