SZGH-M1000-E-6: 50 kg Heavy-Duty 6-Axis Grinding & Polishing Robot

What Is the SZGH-M1000-E-6?

The SZGH-M1000-E-6 is a 6-axis industrial grinding robot engineered for heavy-duty surface finishing, with a 50 kg payload capacity and a 1,000 mm reach. It features a built-in grinding process package — including spherical-path trajectory algorithms, force-control grinding parameters, and integrated interfaces for floating grinding heads, belt sanders, and polishing spindles — making it purpose-built for precision automated grinding of valves, bearings, and other spherical or rotationally symmetric metal components.

Full Technical Specifications

Axis Motion Range

Wrist axes (4–6) reach 222°/sec — enabling continuous spherical path execution without dwell marks on Ra-sensitive surfaces.

Core Advantages

Largest Payload in the M Series: 50 kg — Carry the Heaviest Grinding Spindles Without Compromise

The M1000-E-6 is the only robot in SZGH's M Series rated to 50 kg. Competing M-series models (M1400-3C-6, M1850-3C-6) are rated to 30 kg. This lets you mount heavy pneumatic or electric grinding spindles — including large-bore belt sanders and dual-head polishing units — without tool-weight trade-offs. The reinforced wrist casting and oversized harmonic drives are designed to sustain the continuous vibration loads of power grinding without fatigue failure over 30,000+ operating hours.

Built-In Grinding Process Package — Not a Generic Robot Running a Grinding Script

The M1000-E-6 ships with SZGH's proprietary grinding process package, which is entirely absent from the T-series robots. It includes: (a) a spherical workpiece path module for valve balls, bearing races, and similar curved surfaces; (b) force-control grinding parameters that automatically adjust contact pressure to maintain consistent surface finish regardless of workpiece dimensional variation; and (c) pre-configured integration interfaces for floating grinding heads, belt-sanding units, and pneumatic polishing spindles. This compresses process commissioning from weeks to hours.

1,000 mm Reach — Shorter Arm, Maximum Structural Rigidity for Grinding Precision

Shorter arm = lower moment arm = less deflection under grinding reaction forces. At 1,000 mm reach, the M1000-E-6 achieves ±0.08 mm repeatability under full 50 kg load in active grinding contact. For buyers requiring Ra ≤ 0.4 μm surface finish on spherical parts, this structural advantage over longer-arm robots (M1400, M1850) is measurable on the surface profilometer.

Wrist Agility at 222°/sec — Uninterrupted Spherical Path Coverage

All three wrist axes (4, 5, 6) operate at 222°/sec, enabling the robot to trace continuous geodesic paths across spherical surfaces without stopping to reorient. Axis 6 has unlimited ±360° rotation, so complex multi-pass grinding sequences can complete in a single program block. This is the enabling condition for the consistent Ra values the spherical path algorithm produces.

CE + ISO 9001:2015 Certified — Export-Ready, 12-Month Warranty, Global Distributor Network

SZGH holds CE certification, ISO 9001:2015, National High-Tech Enterprise certification (2018), and has filed 100+ patents. Every M1000-E-6 unit ships with a 12-month factory warranty, 24/5 WhatsApp engineering support, and is backed by distributors in the USA, Turkey, Romania, Russia, Egypt, Thailand, and Mexico.

Application Scenarios

M Series Selection Guide: Which Model Is Right for You?

Rule of thumb: Choose M1000-E-6 when your grinding tool is heavy (>20 kg effective load) and your workpiece is spherical or dimensionally tight. Choose M1400 or M1850 when you need longer reach for larger, flatter workpieces.

Customer Case Study

By Fannie Chen, CEO, Shenzhen Guanhong Automation Co., Ltd. (SZGH) | May 2026

A valve manufacturer based in Pune, India — supplying ball valves to upstream oil and gas customers across the Middle East — contacted me with a direct question: "Can your robot actually grind a sphere? Spherical path planning is very difficult."

They were grinding DN50–DN200 ball valve seats and balls in-house, entirely by hand. Their best technicians could complete 60 balls per shift. More critically, every batch showed visible surface inconsistency — some balls came in at Ra 0.38 μm, others at Ra 0.55 μm on the same production run. Their downstream customers had started rejecting shipments, and manual inspection was catching the problems too late.

I flew our grinding process engineer to Pune for a site assessment. What we found was exactly what I expected: the bottleneck was not arm strength or reach — it was the absence of a path algorithm that could translate a sphere's geometry into a continuous, pressure-consistent grinding trajectory. Our off-the-shelf M1000-E-6 carries a spherical workpiece path module inside its grinding process package specifically for this class of problem.

We ran a two-hour on-site process trial using the customer's own DN100 ball valve blanks. After toolpath calibration and force-parameter tuning, the robot was producing consistent Ra values of 0.32–0.38 μm across every ball in the test batch — tighter than the customer's best manual results, and without the inter-batch variance.

The customer deployed two M1000-E-6 units in a single-shift cell. Single-shift throughput went from 60 balls (manual) to 240 balls (two robots, one operator for loading/unloading). Grinding conformance rate improved from 87% to 99.2% on the first production month's audit.

The CEO told me afterward that his primary concern was never price — it was whether a Chinese robot manufacturer would truly understand grinding process requirements. The built-in process package made the difference between a robot they could use on day one and one that would have required six months of external programming work.

Control System & Integration

SZGH Proprietary CNC Robot Controller

The M1000-E-6 ships with SZGH's own CNC robot controller, purpose-developed for grinding and surface-finishing applications. The controller runs the grinding process package natively — no third-party middleware required.

Grinding Process Package Includes:

• Spherical workpiece path planning module (geodesic multi-pass trajectories)

• Force-control parameter sets for consistent contact pressure (adjustable: 5–50 N range)

• Trajectory optimization algorithms minimizing dwell time at path junctions (eliminates grinding marks at reversal points)

• Configurable pass-count and feed-rate scheduling for rough → fine → polishing multi-stage programs

External Peripheral Integration

The M1000-E-6 controller provides standard digital and analog I/O, Ethernet, and fieldbus interfaces supporting integration with:

Certifications & Quality Assurance

Frequently Asked Questions

1. Can the SZGH-M1000-E-6 grind spherical surfaces like valve balls and bearing races?

Yes. The M1000-E-6's built-in grinding process package includes a dedicated spherical workpiece path module. This module generates continuous geodesic grinding trajectories across curved surfaces, maintaining consistent contact pressure throughout the pass. It is validated for valve ball grinding to Ra ≤ 0.4 μm and is not available on SZGH's T-series robots.

2. What is the difference between the M1000-E-6 and the M1400-3C-6?

The M1000-E-6 carries 50 kg versus the M1400-3C-6's 30 kg payload, making it the right choice for heavier grinding tools or spindles. The M1400-3C-6 offers a longer 1,400 mm reach for larger workpiece envelopes. Both share the same ±0.08 mm repeatability and built-in grinding process package, but the M1000-E-6's shorter arm delivers superior structural rigidity under grinding reaction loads.

3. What surface finish (Ra) can the M1000-E-6 achieve consistently?

In validated production use on DN50–DN200 ball valve spherical surfaces, the M1000-E-6 achieves Ra 0.32–0.38 μm with the built-in spherical path grinding program. Final Ra values depend on abrasive selection, grinding passes, and workpiece material, but Ra ≤ 0.4 μm is a routinely achievable benchmark for steel and stainless valve components.

4. What grinding tools and peripherals does the M1000-E-6 support?

The controller directly integrates with pneumatic floating grinding heads, belt sander units, pneumatic polishing spindles, and abrasive disc spindles via built-in I/O. Conveyor systems, rotary tables, and vision systems can connect via EtherCAT, Profibus, or DeviceNet fieldbus options. SZGH can supply complete grinding cell designs including peripheral tooling.

5. Is the M1000-E-6 suitable for ceiling or wall mounting?

Yes. The M1000-E-6 supports ground, bracket, and ceiling mounting configurations. Ceiling mount inverts the arm's workspace, which is particularly useful in cells where the workpiece fixture is large or where floor space is constrained. Load capacity and repeatability specifications are maintained across all mounting orientations.

6. What does the 12-month warranty cover, and what after-sales support is available?

The 12-month warranty covers mechanical and electrical component defects from the delivery date. SZGH provides 24/5 engineering support via WhatsApp (+8618925223781), remote diagnostics via Ethernet connection, and on-site service dispatch through the regional distributor network (USA, Turkey, Romania, Russia, Egypt, Thailand, Mexico). Spare parts are stocked at distributor locations for fast-turnaround replacement.

7. Can SZGH provide CE documentation for import into the EU?

Yes. All M1000-E-6 units ship with CE certification covering the Machinery Directive. Full CE documentation package — Declaration of Conformity, technical file index, and test reports — is available on request for EU customs and end-user compliance records.

8. How long does it take to commission the M1000-E-6 for a new grinding application?

For standard applications (valve ball grinding, bearing race polishing) using the built-in process package, commissioning typically takes 1–2 days on-site with SZGH process support. Completely custom applications requiring new trajectory programming and force parameter development typically require 3–5 days. SZGH's grinding process engineers can perform remote commissioning support via video for customers outside direct service coverage.

Get a Quote — Contact SZGH

Ready to automate your grinding or polishing process? Send us your workpiece dimensions, material, and target surface finish (Ra), and our grinding process team will confirm the right configuration within 24 hours.

For your inquiry, please include:

• Target workpiece type and dimensions

• Material (steel, stainless, aluminum, other)

• Target surface finish (Ra value or inspection standard)

• Estimated annual production volume (parts/year)

• Existing grinding setup (manual / semi-auto / current robot)

Related Products