There are 37 files in the Mechanical ACAD category:
| File Name | Updated | Size | Description |
| 3D-VOLTS.ZIP | 07-Mar-2001 | 1882865 | Freeware for R14 There are 7 arx Files that draw the following 3D Screws, a Fillister head slotted, Fillister head phillips, Pan head slotted, Pan head phillips, Round head slotted, Round head phillips, and a Hex washer head slotted. Each file draws the screw with , a external tooth lock washer, a flat washer, and a hex nut. |
| BEAM.ZIP | 20-Dec-1992 | 2898 | This program will draw a steel beam based on similar dimensions as found in the A.I.S.C. Steel Handbook. |
| BOLT.ZIP | 01-Jan-1990 | 2273 | AutoLISP program to create bolts. |
| BOLTNWT3.ZIP | 12-Feb-1993 | 10560 | LISP routines to aid in production of 2-D bolts; nuts; washers; schematic threads and tapped holes. |
| BRACKETS.ZIP | 01-Jan-1990 | 2017 | AutoLISP program to create brackets. |
| CAM.ZIP | 01-Jan-1990 | 2163 | AutoLISP program to draw cams. |
| DAF.ZIP | 20-Dec-1992 | 2005 | LISP routine for drawing ductwork; including center lines. |
| DUCT.ZIP | 20-Dec-1992 | 2132 | AutoLISP program to create HVAC ductwork; when used in conjunction with flexd.lsp; flexible duct can also be created. For use with AutoCAD release 2.5 and up. |
| EASY_C.ZIP | 17-Jul-1994 | 15013 | Generates CNC code from ACAD polyline. Uses 2D polylines with or without arc segments; curved and splined. Uses 3D polylines of arbitrary orientation; also splined 3D polylines. |
| FACET.ZIP | 01-Jan-1990 | 5438 | AutoLISP program to create facet's. |
| FENEST.ZIP | 01-Jan-1990 | 2905 | AutoLISP program to create finite element nests. |
| FINISHSM.ZIP | 18-Jan-1994 | 3822 | 4 Autolisp files containing ANSY Y-14.5 surface finish symbols. |
| FLEXD.ZIP | 20-Dec-1992 | 2063 | AutoLISP program to create HVAC flex duct; works in conjunction with duct.lsp; for AutoCAD release 2.5 and up. |
| FLG_PAK.ZIP | 20-May-1994 | 118109 | AutoLISP programs to create a multitude of nozzles in minutes. A typical nozzle configuration can be generated at full scale; per ANSI specs; with 100% accuracy; in less than 1 minute. All flange information is from a common database you can edit. |
| FRAME.ZIP | 01-Jan-1990 | 1306 | AutoLISP program to create frames. |
| GEARCA.ZIP | 27-Nov-1993 | 38420 | Simple Windows spur gear calculation program for drafting spur gears. Will produce the dimensions needed to draw the gear and will send construction geometry via DDE to AutoCAD (Windows version). Requires VBRUN200.DLL. |
| GEARS.ZIP | 15-Mar-1994 | 48501 | Draws dimensionally correct involute gears with the ease of loading a menu. Parametric program generates gear teeth relieved to allow proper meshing down to a 10 tooth count. Draws pitch circle and individual tooth forms. |
| HARDWARE.ZIP | 01-Jan-1990 | 2209 | AutoLISP programs for Nut's and Bolt's |
| HEATCALC.ZIP | 01-Jan-1990 | 4008 | Program to perform HVAC Heat loss calculations. |
| HEX_LSP.ZIP | 01-Jan-1990 | 5653 | AutoLISP programs to create nut's and bolt's. |
| LINK.ZIP | 01-Jan-1990 | 6701 | AutoLISP programs to analyze three bar linkages. |
| MECH.ZIP | 08-Mar-1992 | 3457 | Assortment of mechanical drafting routines. Dhole draws a drilled hole. Thole draws a drilled & tapped hole. VThole draws a view of a tapped hole. Dowel draws any side dowelpin. 5 more routines included. |
| NPEIDE.ZIP | 20-Sep-1994 | 406867 | 4 flat layout programs: concentric cone; eccentric cone; square to round transition and mitred pipe bend. Output as DXF file or CNC program for a 2 axis CNC profile cutter. |
| NPEIUT.ZIP | 18-Sep-1994 | 85005 | 24 LISP utilities including flat cone layout; slot drawing; circular hole patterns; block handling; and file handling. Program is limited use evaluation copy. |
| NULINK.ZIP | 01-Jan-1990 | 3576 | AutoLISP program to analyze 3 bar linkages. |
| PNEUMSIG.ZIP | 01-Jan-1990 | 2367 | AutoLISP program to create Neumatic Signal line for flowsheets and Process and Instrumentation lines. |
| PPAK_PRO.ZIP | 20-May-1994 | 79565 | Single program written in AutoLISP that lets you create double line piping layouts from inside AutoCAD. All pipes and connections are constructed according to ANSI specifications. Gathers information from an ASCII database system. |
| PSLOT.ZIP | 15-Mar-1994 | 11804 | Release 11 and 12 commands to draw single and multiple polyline slots. Includes dialog control box for release 12 version; slide files for horizontal and vertical slot used by the dialog box image button; and a test drawing showing how usage. |
| PTOL.ZIP | 01-Jan-1990 | 2271 | AutoLISP program to aid in geometric tolerancing. |
| SHCS.ZIP | 02-Mar-1992 | 3620 | A menu driven utility for drawing screw heads in a drawing parametrically. |
| SLOT.ZIP | 01-Jan-1990 | 1617 | AutoLISP program to draw slots. |
| SPRCSEC.ZIP | 01-Jan-1990 | 1440 | AutoLISP program to create sections of sprockets. |
| THERMAL.ZIP | 01-Jan-1990 | 3231 | Lotus worksheet to perform HVAC thermal calculations. |
| THREADS.ZIP | 01-Jan-1990 | 1592 | AutoLISP programs to create screw threads. |
| TPIPE002.ZIP | 01-Jan-1990 | 44827 | Program to perform piping pressure drop calculations. |
| VESS.ZIP | 01-Jan-1990 | 1334 | AutoLISP program to create vessels. |
| WELD.ZIP | 01-Jan-1990 | 1757 | AutoLISP programs to create weld symbology. |
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