CNCzone.com-The Largest Machinist Community on the net!



Home Page Mark Forums Read Today's Posts My Replies Classifieds Reviews Photo Gallery Web Links Share Files Advertise With Us Ad List
Go Back   CNCzone.com-The Largest Machinist Community on the net! > MetalWorking Machines > Benchtop Machines > Mini Lathe


Mini Lathe Discuss Sherline, Harbor freight and other Mini Lathes here.


This forum is sponsored by:

Reply
 
LinkBack Thread Tools Search this Thread Display Modes
  #1   Ban this user!
Old 01-06-2008, 12:16 AM
 
Join Date: Nov 2007
Location: United States
Posts: 21
jroma1 is on a distinguished road
Harbor Freight 9 x 20 Lathe

Someone once said that most of the mini lathes sold by the various distributors are very nearly the same except for accessories and price.
One of the two lathes I was considering has increased in price which
has helped me decide which of the two is the way to go.

Does anyone out there own one of the HF 9 x 20 machines if so can they offer any comments or suggestions. Also is there a four jaw six or seven inch independent chuck available for the HF 9 x 20 lathe.

Thanks

John
Tweet this Post!Share on Facebook
Reply With Quote

  #2   Ban this user!
Old 01-06-2008, 09:33 AM
 
Join Date: Jun 2005
Location: USA
Age: 33
Posts: 916
Runner4404spd is on a distinguished road

i have an enco 9x20 basically the same machine just a different color. here is a list of mods done that pretty much aren't documented anywhere and these make this a very capable machine.

1. tighten spindle bearings. the head should be warm to the touch when running at high speed.
2. tighten gib on cross slide.
3. replace weak compound mounting plate with 4 bolt.
4. change the screw in the cross slide to english units. (7/16x20) be careful with the kit currently on the market, i bought one and had to redo the nut as it was really sloppy.
5. larger hand wheel for cross slide. this allows you to tighten the gib and minimize deflection.
6. DRO
7. quick change tool post, not mandatory but a nice to have.
8. tumbler reverse. allows you to cut away from the chuck. nice feature for boring and turning left hand screws.

other than that i have rebuilt my lathe a few times and made it better each time. make sure all the cast grit is out and everything is oiled well. one last thing i didn't mention is that i bolted my lathe to a 3/8 thick steel U channel 6" wide by 24" long. this really stiffens up the casting.
Tweet this Post!Share on Facebook
Reply With Quote

  #3   Ban this user!
Old 01-06-2008, 02:25 PM
 
Join Date: Nov 2007
Location: United States
Posts: 21
jroma1 is on a distinguished road

Thank You for your reply

John
Tweet this Post!Share on Facebook
Reply With Quote

  #4   Ban this user!
Old 01-06-2008, 05:10 PM
 
Join Date: Aug 2005
Location: United States
Posts: 177
diecutter is on a distinguished road

I have had a Jet 9" x 20" lathe for about 15 years and it still functions fine. I think all three are the same basic design, but in an article I read in Home Shop Machinist, and also when researching the purchase, they advised that various Chinese companies each made this design to different quality levels. We ended up getting the supposed best quality one for about $300 more than the least expensive one advertised. In hindsight, I'm glad I did 15 years later with no problems.
Tweet this Post!Share on Facebook
Reply With Quote

  #5   Ban this user!
Old 01-07-2008, 01:30 PM
 
Join Date: Mar 2005
Location: United States
Posts: 185
Thazul is on a distinguished road

John,

I do not have one, but here are some websites I've come across over the years.

Hope you find them helpful,

http://www.stellar-international.com/lathesf6.html (HarborFreight 9x20)
http://www.bedair.org/9x20camlock/9x20project.html
http://www.mini-lathe.com/Mini_lathe...sions_9x20.htm

-

Andy
Tweet this Post!Share on Facebook
Reply With Quote

Sponsored Links
  #6   Ban this user!
Old 01-07-2008, 06:02 PM
acondit's Avatar  
Join Date: Apr 2005
Location: USA
Posts: 1,774
acondit is on a distinguished road

Originally Posted by jroma1 View Post
Someone once said that most of the mini lathes sold by the various distributors are very nearly the same except for accessories and price.
One of the two lathes I was considering has increased in price which
has helped me decide which of the two is the way to go.

Does anyone out there own one of the HF 9 x 20 machines if so can they offer any comments or suggestions. Also is there a four jaw six or seven inch independent chuck available for the HF 9 x 20 lathe.

Thanks

John
John,

I have added a 3" 4-jaw, a 5" 3-jaw, and a 5" 4-jaw to my 9x20. On my website I show the process for fitting the 5" 3-jaw, but it is basically the same process for any chuck. The LittleMachineShop (LMS) sells a variety of chucks and backplates that you can use. Do to the small drive belt on the 9x20, most people do not recommend going larger than 5" although a few people have gone to 6". I think if you really need a larger than 6" chuck, you need a larger lathe.

Alan
__________________
http://www.alansmachineworks.com
Tweet this Post!Share on Facebook
Reply With Quote

  #7   Ban this user!
Old 01-10-2008, 10:32 PM
 
Join Date: Oct 2006
Location: USA
Posts: 58
justin bowser is on a distinguished road

I have just purchased a 6" 4 jaw for my HF 9x20 and purchased the backing plate from Wholesale Tool Co. If you get a 6" chuck don't order the 6" plate from WTC as although they call it 6" it is less than 6 inches and the bolt pattern will be too close to the edge - IMO.

I got the 6" 4 jaw from e-Bay seller JTS Machinery And Supply Co, I believe it was about $35 plus shipping.

Last edited by justin bowser; 01-10-2008 at 10:34 PM. Reason: grammatical corrections...
Tweet this Post!Share on Facebook
Reply With Quote

Reply




Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On


Similar Threads
Thread Thread Starter Forum Replies Last Post
Harbor Freight 8x12 / Lathemaster 8x14 Mini-Lathe CNC Conversion fignoggle Mini Lathe 1 06-04-2009 12:41 AM
DRO for Harbor Freight 47158 based on Harbor Freight 93293 Calipers Temtu Benchtop Machines 20 05-26-2009 11:29 PM
Sherline, Grizzly, Harbor Freight Sieg lathe twocik Mini Lathe 35 06-20-2007 02:24 PM
Harbor Freight Mill/Lathe Combo Conversion? griffithbuilt General Metal Working Machines 9 06-17-2007 01:23 PM
Harbor Freight Lathe and Mill (56k death!!) skmetal7 General Metal Working Machines 20 06-18-2006 07:12 PM




All times are GMT -5. The time now is 07:55 AM.





Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2012, vBulletin Solutions, Inc.
Content Relevant URLs by vBSEO
Template-Modifications by TMS

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353