SimpleSliderHand
Based on published sources · Not tested by us ·
Overview
Tendon-driven sliding jaws on a 12 mm rail, MX28T servo, OpenCM9 and EXP485. Optional capacitor board supports power-loss repositioning. [S001] [S002] [S003]
SimpleSliderHand uses a Dynamixel MX28T and fishing-line tendons to move two sliding jaws along a 12 mm rail. It is a fabrication project for research or teaching, with documented Universal Robots mounting geometry and explicit limits on precision and repeated cycling. [S003]
Specifications
| Detail | Description |
|---|---|
| Type | Parallel and adaptive grippers Source-researched; no physical verification. Editorial assessment [S001] [S002] [S003] · Checked 2026-09-30 |
| Intended users | Builders evaluating this tooling design and its integration requirements Editorial assessment [S001] [S002] [S003] [S004] [S005] · Checked 2026-09-30 |
| Assembly | Tendon tension, calibration and backlash require tuning. Upstream excludes sub-3 mm precision/torque-control use and warns against assuming thousands of cycles. Rail length is configurable; not equal to stroke. Known prerequisites and unresolved assembly decisions; not a complete build instruction. Editorial assessment [S001] [S002] [S003] [S004] [S005] · Checked 2026-09-30 |
| Calibration | Not known |
| Operating system | Not known |
| Computer needed | Not known |
3D preview
Preview not available yet. A model has not yet been prepared and approved for display on this page. This does not mean the project lacks CAD files; see Source files and licenses for the reviewed source availability.
Assembly and use
Parts and fabrication
The README directs builders to read BuildInstructions.pdf before starting. Its main parts are the servo, rail with two carts, OpenCM9 controller, EXP485 power board and high-strength fishing line. A 3D printer and a soldering iron for heat-set inserts are required. SolidWorks and STL files are inventoried in the pinned repository. No current delivered parts or complete integration cost is established here. [S001] [S003]
An optional capacitor board moves the servo back into the required rotation range when power is lost. Tendon tension and calibration need tuning; the upstream design still has backlash and is not recommended for positioning finer than 3 mm or torque control. Upstream reports hundreds of operations without issues but warns that the current fine-tendon design without bearings will not support cycle counts in the thousands. Neither statement is independently tested here. Rail length is configurable and must not be confused with usable jaw stroke. [S003]
Mounting and control reconciliation
The README specifies four M6 fasteners on a 50 mm diameter mounting circle for Universal Robots arms. That is interface documentation, not a verified fit or safety assessment for every arm. [S003]
The root README describes single-gripper firmware, but the software README discusses a Yale openHand configuration with four MX28AT servos. ROS documentation identifies a parallel_gripper package under ROS_Interface, while the root README gives another path and example package name. Reconcile the intended firmware, servo setup, package path and commands against the selected files before applying the instructions. These differences do not establish that the code cannot work. [S003] [S004] [S005]
Available files
The root license is GPL-3.0. Mechanical designs and control documentation are available; their presence does not establish a complete matched control release or source rights for the purchased servo and controller. Preserve the applicable notices when selecting files. No hardware build or test was performed for this profile. [S001] [S002] [S003]
Cost
No current, complete configuration-specific build cost has been established for this profile.
Source files and licenses
GPL-3.0 root license. Purchased motor/controller remain separate. Tendon tension, calibration and backlash require tuning. Upstream excludes sub-3 mm precision/torque-control use and warns against assuming thousands of cycles. Rail length is configurable; not equal to stroke.
| Layer | Availability / license |
|---|---|
| mechanical design | available · GPL-3.0 GPL-3.0 root license. Purchased motor/controller remain separate. Availability refers to the scoped files described here, not a complete configuration-matched manufacturing pack. [S001] [S002] [S003] [S004] [S005] |
| electronics | not found · License not fully assessed A complete revision-matched source set for this tooling configuration was not established in the inspected documents. Standalone controls and purchased components require separate review; this is not a claim that no code or electronic files exist. [S001] [S002] [S003] [S004] [S005] |
| firmware | not found · License not fully assessed A complete revision-matched source set for this tooling configuration was not established in the inspected documents. Standalone controls and purchased components require separate review; this is not a claim that no code or electronic files exist. [S001] [S002] [S003] [S004] [S005] |
| software | not found · License not fully assessed A complete revision-matched source set for this tooling configuration was not established in the inspected documents. Standalone controls and purchased components require separate review; this is not a claim that no code or electronic files exist. [S001] [S002] [S003] [S004] [S005] |
| documentation | available · License not fully assessed GPL-3.0 root license. Purchased motor/controller remain separate. Availability refers to the scoped files described here, not a complete configuration-matched manufacturing pack. [S001] [S002] [S003] [S004] [S005] |
This profile scopes hardware tooling, without selecting a learned controller or training dataset.
References
Links identify the documentation and revisions used in this profile. Access dates record when each source was retrieved.
- S001 · jaspereb
SimpleSliderHand pinned tree
Accessed 2026-09-30 · 88de4cc8f111ced40420fea9c52a502499f0fe7fSource notes
Evidence for the scoped draft design assessment.
- S002 · jaspereb
SimpleSliderHand / LICENSE
Accessed 2026-09-30 · 88de4cc8f111ced40420fea9c52a502499f0fe7f LICENSESource notes
Evidence for the scoped draft design assessment.
- S003 · jaspereb
SimpleSliderHand / README.md
Accessed 2026-09-30 · 88de4cc8f111ced40420fea9c52a502499f0fe7f README.mdSource notes
Evidence for the scoped draft design assessment.
- S004 · jaspereb
Software/README.md
Accessed 2026-09-30 · 88de4cc8f111ced40420fea9c52a502499f0fe7f Software/README.mdSource notes
Build and artifact context for the selected design.
- S005 · jaspereb
ROS_Interface/parallel_gripper/CMakeLists.txt
Accessed 2026-09-30 · 88de4cc8f111ced40420fea9c52a502499f0fe7f ROS_Interface/parallel_gripper/CMakeLists.txtSource notes
Build and artifact context for the selected design.
Correction guidance · Discussion is not enabled · Profile format 0.6.0-draft.1
Change history
2026-09-30 — Classified in the end-effector hierarchy with cited mechanism and platform evidence; build and rights limitations retained.