Automatic Stone Bollard Polishing Machine — product image

Patented Machines / Automated Processing

Automatic Stone Bollard Polishing Machine

Designed for batch production of stone bollards, with sphere and base-step polishing in one setup and automatic switching between rough, intermediate and fine grinding stages.

Material
Stone bollards
Workpiece
Stone bollards and stone spheres with stepped bases
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Machine Overview

Designed for batch polishing of stone bollards used in public spaces, this machine processes the sphere and its base steps in a single setup. Automatic workpiece rotation, a contour-following polishing head and coordinated grinding stages reduce repeated handling and tool changes while improving finish consistency across a batch.

Workpieces & Applications

Suitable for producing stone bollards for roads, squares and business parks, particularly for repeated production of similar sizes. For stepped workpieces, the sphere diameter, step profile and clamping positions must be checked to confirm suitability.

Core Process

  • Single setup: processes the spherical surface and base steps with less repositioning between stages.
  • Rotation and contour following: workpiece rotation works with a swinging polishing head to finish the spherical surface.
  • Sequential processing: automatic switching between rough, intermediate and fine grinding wheels connects the finishing stages.

Key Features

  • Consistent batch appearance: addresses uneven manual finishing and helps reduce rework associated with chipped edges and uneven appearance.
  • Less manual effort: automatic polishing reduces sustained use of handheld tools and repetitive grinding work.
  • Production planning: one operator may supervise multiple machines where the cycle time allows; the number depends on loading, unloading and site conditions.

Specifications

ItemSpecification / Description
Suitable WorkpiecesStone bollards, including the sphere and base steps
Core ProcessAutomatic rotation, contour-following head movement and automatic grinding-wheel switching
Indicative Cycle TimeApprox. 10 minutes per standard bollard; subject to size, material, blank condition and finish requirements
Production ModeBatch processing of similar sizes; multi-machine supervision depends on cycle time
Overall DimensionsApprox. 3.4 × 2.4 × 2.1 m
Machine WeightApprox. 2.3 t
Total PowerApprox. 11 kW
Sphere Diameter400–700 mm

Processing range, machine configuration and finish must be confirmed against the actual workpiece.

Machine & Workpiece Gallery

Machining Videos

Stone Bollard Polishing Demonstration

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Related Patent Documentation

Patent Title (Translated)Vertical Sphere Polishing Machine
Patent TypeUtility Model Patent
Patent NumberZL 2021 2 2442152.5
Grant Publication Date25 January 2022

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