A STAR Market robot company incubated by Chery — the full EFORT range of industrial robots

The EFORT official website product selection table lists control cabinets by load classification: desktop and SCARA light loads are mostly C-type; small and medium six-axis (ER12H/ER25/ER50, etc.) and small load palletizing (ER15-4-1600) are equipped with S-type control cabinets; heavy loads and heavy-duty loads (above ER150, GR spraying, large palletizing ER130/180-4) are equipped with M-type control cabinets; explosion-proof models are also equipped with explosion-proof control cabinets and ECR collaborative control cabinets. When selecting or preparing materials, the corresponding classification on the included control cabinet nameplate and the official website shall prevail; Driver modules and teaching software versions of different cabinet types of the same generation may not be interchangeable.

In the official model selection list, the ER70-2100 and ER70-2100-II are listed as separate models for sale (with a slight difference in reach of 2146/2100mm), indicating they are iterative modifications. The body structure, reducer, or encoder batch of modified models may differ, and spare parts such as power/encoder cables and seals cannot be simply interchangeable. Before replacement, verify the part number against the entire machine's nameplate serial number. The drive parameters of the second generation and the first generation may also differ, so confirm with the on-site and official parts catalog.

EFT originated from Chery Automotive welding, and heavy-load/load-bearing ER models are mostly used for spot welding of vehicle bodies. Key points for spot welding maintenance: Due to frequent start-stop and load impacts in J1-J3 reducers, grease inspection intervals should be shortened; The main cable moves with the hollow wrist or external drag chain; check for wear on the weld bar, water cable/signal cable, and joint ablation; Welding force reaction forces accelerate wrist bearing fatigue, so regularly perform TCP and repeatability retests. Abnormal noises, solder joint misalignment, or overcurrent alarms must be confirmed together with on-site diagnosis.

The official website lists GR spraying and EXR explosion-proof as separate categories, with EXR equipped with explosion-proof control cabinets. Such equipment operates in flammable and explosive coating environments, with the core of maintenance being to maintain explosion-proof integrity: do not arbitrarily replace non-explosion-proof certified electrical components or damage the explosion-proof surfaces of the body/junction box; Regularly clean explosion-proof gaps and check the sealing ring and grounding continuity of the inlet device; Spraying models must also prevent paint mist buildup, which affects heat dissipation and moving parts. The explosion-proof certificate must be re-evaluated upon expiration. Modifications must use same-grade explosion-proof spare parts, with specific confirmation based on on-site and qualified units.

Like most industrial robots, the absolute encoder of each axis of the Effter body is powered off and the battery keeps the origin point. Typical battery depletion manifests as loss of telegraph position or encoder-type alarms, requiring full-axis reset to zero. Replacement should be performed when the control cabinet is powered on or within the time limit specified in the manual, to avoid power outages and overtime loss of the origin point; After replacement, perform zero reset and perform accuracy verification. Frequent alarms require checking battery holder contacts, the 5V holding circuit inside the cabinet, and the encoder cables inside the cabinet. The specific battery model and replacement steps are subject to the included maintenance manual.

The official ESR offers multiple Z travel options (Z15/Z20/Z30/Z42). For positioning deviation, first calibrate the full-shaft zeroing and zero point, then check the timing belt/gear tension, Z-axis rail and coupling wear, and whether the load is exceeding limits; Z-axis jitter is mostly related to vertical axis balance, guide rail lubrication, or load inertia matching. If the error still exceeds after calibration, it may be due to internal clearance in the reducer or an encoder issue. Professional testing is needed to avoid continuing production with deviations.

Efft iterates quickly; early C-type/S-type cabinets often experienced aging of industrial computers/hard drives, power supply and driver board failures, and teach pendant touch malfunctions. Most old cabinets can undergo board-level repairs; If spare parts are hard to find after discontinuation, a retrofit plan can be evaluated to replace with new cabinets of the same series on sale while retaining the main unit, provided the reducer, motor, and encoder are in good condition and have matching interfaces, and the program can be rebuilt on site. Whether it is cost-effective depends on the remaining precision of the body and process requirements. It is recommended to conduct a full machine inspection before deciding, and this should be combined with on-site evaluation.