A CYLINDER HONE, often simply referred to as a hone, is a device for making the inside of a cylinder smooth and regular. It consists of a central shaft, intended to be inserted into the chuck of a drill, to which are affixed three arms. At the ends of the arms, on pivoting points (usually rivets) there are three flat grindstones, or simply stones. Tension on the arms is supplied by a spring which pushes a round perch over the inner ends of the arms.



 .      .     .
     ;SW3Sg#        ..
    :E2: iZHgZ,
   1#1  ###g1XEH7
  71X7   2###W1J@EZ
     EEB    ####ZiXgS;             .      ,
       7EEJ   ,###MiS#2;.3
    .    1@#2   1###K:##W1#W.
 .          g##   ,###K   1W#X.
    .         7#g:   #   ##S S##J
 .         .    iXJ:   #####@i;1#ES
                .iH7,77  1####EX 1K#2:                 .
            .     ;Kg@;,    @####MS3ZB#        .,    .
              .      JEX3Z   ,XMX@M#MgZHBZ             .
           ,          ,JXHiiJJ  ;X@gHM#@ZXB1         .
             ,,   .      ;HEK,732  ZHgS##W1KE#        .
                            7gX1Z17 7J@gXH#WSZBBK   ,
                              ;2BJi,:. 2HEX@##XXB        ..
                       ..        XE@i: , ;#g2J###;               .
                        .          i@gX:7: :SE  ;###;             .
                      .         .    :KE21Z   M##WE###7     .  ,
                         .              K#J2E###BMWEM###1        .
                                            1W###BWMMKg####i            .
                                               J###EE#MEBE###X       :    ,.
                                                 1###EHWMH@H###        ,:
                                             ,      @##M@W#H@E####          ;
                                                      X###M##MH2E###S
                                             ..  .      @###@@B##BH###Z2B
                                                           M###BW#W@@####1H@
                                                             2##WgWEW##1 :@##Z.     ,.   .      .      .       ..
                                                        ,      KH#W###   #Z;2M##      ..                     .
                                                          .     .M#WJ ,##Eg@g,iE#EX
                                                                 ,J  J3, WWHK#H; B##2                ;i7,
                                                        .  :  ,    @EXXXZ JHMZg#S  EM##          1JXKXJ3XSX.
                                                                     i@ZiX: 7BBB##W  Z##Bi   ,JJJSJ177ii:73#Mg
                                                                       72@21,73KBM##2  Z##@1.,1311i1i1111; SKW#i
                                                                   .     ;Xg1i, iSB####  7###K,..77i1J1:J7 gZSX#M@   .
                                                                     .      g@Xi77:1@W##@. ;KHB@S;;7i13X7. #S2JZS#
                                                                   .. ,,,    :JHK; 71X####EJ, ,J@WXJ::iZ  7#KSXKS#      .
                                                                           .    KBBi:  ,X###WX  ,M@K21i  1#ZXKX22#
                                                                                   @XJ7i7. 7XWHgZ .,SX: WHK32ZZKS#.S3,
                                                                                    2J;  ;;  3#MH:.:J  JEZi22XK1J# gH#@i               ..    ,   ..
                                                                                ,i37:iSS,  JKZ;iS#WK i@#ZJ1XXX72@#   EM@                     .
                                                                                X33331;SE#   1:...  3Wg112XS1:7B2 gEgEZJ:XE#SKg@MEKZi;:         .
                                                                                @31333i171SX:     JEKiiJSZJ3;i#Z2, ,2#KZ@2SK2KZ  iX#####H3       .
                                                                              .,K111iii;i3,2HB   #K11J31ZJ77KM# .;#EX  Z##g JBM#Z: J13iBM#1i.
                                                                                g1i;7i3313X7  JKE177X2SH2J3###H 7##@3 JX#K@i#17g#EJXXS1i7ZJSZ
                                                                                BXZ72ZXJ23  7KKZ3111@gZ;:J@##B ZW#X@K X## ,i#2i#EgigZXSKSK :i                .
                                                                                :3S@Zi    SXZZJJJKSK3  . K#   X###@1 .#E3 :K,7i##g #EgSKgHB3 K###1     .
                                                                                     .iJZ273JJSSX332 iX##K   K#MHK: 3#B11SgZ XW#   :2B#XJSMB1g####BS         .
                                                                                     ,73i;13JX:  ,   ###   @H##  ,J##WJK#7, .##2        3#@J ###M#KK;2i
                                                                                       :1ZZJi 73K   @i   Z###K   1##WZK2,#@Z##K ZH#Zi  :JgS2i###W#Mg 3KS,
                                                                                .             .7S###   7###2   ###J  gEWB1g##  E@1,2@#@1.  iM#EEM#HB 11ZSS1i   @i
                                                                                                 7,;2###7    ZK#W; ,@g  ;### 7SBHE#WWg i: 1K#WEE##WggKXJ,1Z#   ###
                                                                                          ,         ZES,   ##@7   #B  .###Z M##g###S7 7   ###MMW##K BKgE31 ###   B#Z
                                                                                             .   .     ,###,  ,SB#   ###@  2#####Bg :i; .##WEMM## 1JMZ3X@@J,###Z  ;
                                                                                          .            Z2: .J1   7B###J   . 7W##E3 iJ: @##EEMg###  :XSKZXXX 2S###B .,
                                                                                                      ,gZ13M##7 2W#Z:          J iXi  ###@MM####  ;1:12ZXX2K27B##1 :X3
                                                                                                        @27,JM#MJ      ,1   ;37i31  J###M#BM##   237J7;177i#@JSEBX...Z,
                                                                                                        SZZ3,      :;:    ,1J:7S   ###MHBH###   Ji13:3i .   SWSXXSM@J3
                                                                                                     .  iJg2    ., ,7X,,.231i   3####EWM###S  73X;73Z  .##M   2EWBggH#;
                                                                                                         7XEgS        7JX2i    W####EH####   JSZ7331  i#####S;  :XEE#M,
                                                                                                          ,@M#1   ;:7127    ####XJi####W, .12J11JZ7  W##@BW###Mi  ,K#
                                                                                                             1H#MK3      ######HEEE###   1132i331   ##MWEHBXE###WS   K
                                                                                                        .      ;i7Zg@@W#####@E#####i   iJJJ31177:;M##WgZEWME@KK##g######      .
                                                                                                                  3#############:   .1i111iii3SK;W###WWMWHS#MME@HMBgK####H,
                                                                                                                     JBH@JSg,     1i;;331J1322X2  ;JM###MHgBBHWWWEEEB,@#####
                                                                                                                        ,      ;;::17;::731JZ7,, ,  iXHM###EBB#B@EMMM#Xi2M###Ei   :
                                                                                                                  ,     7K@EZ1i177::,,77737;; ,:i77:  .1####EEBBHW@EMWEEg;JM####
                                                                                                                     ,     ,X23;,,:;i7,,,:,,,7ii7,71;:    i###SEWW#@Z#WE#Mg7XW####
                                                                                                                             3ZKJi7,::,77;7;;777;7;,2i:;:: X###@gHHB@HHEEEM#J2ZB###K                       .
                                                                                                                               1@S2,;77,,:7;;;777;7i,;1KS1    ###@BHEBHBKWEE#HKiXB####      .       :g#3       .
                                                                                                                                 7XK37i;;;;77777;i7:       7   ,###MBKEMHg@WEM##SJ3B###W        ,#########       ,.  .
                                                                                                                                   i2XJi7; ..;;;;,   W##    :i    ####H@H#W@SEM#WEEJXB###E   J###E@g#E@J####X,
                                                                                                                                      2KKgXXZXJ3i7###WJW##H   ,7,   ,###gK@MX2JBWMMMg33W###M ;g###H.,     J####
                                                                                                                            ,   .        .          ####:X##B    7:   .####BWMESK@EW##@XS#####J   :X####gJ; :S###Z
                                                                                                                                                      i###SS###.   :i    M###gSEEH@EEE#EgZ#M@###7 .ZKJ1XHEg23.;2####J                       .
                                                                                                                                                        1M###KE##X   .;.    ###WB@gHgXWMMgZSB#####7  J@2KgBgZ3Ji,,####H       ,
                                                                                                                                                           g###Xg###1   .;    g##MW@@g@@E##MKSEME###   ;2JJS@EJXXJ  i####7        .   ,
                                                                                                                                                    .         ###HZM##i   :1    ####B@EH@XgBMWB@WBE###1   iZZZ@Z2@ES ,;S###E
                                                                                                                                                  ., .,,        B###BX###   .7,   ,###Eg@EMHg@W#MEB@E###EK ;;,XgK31XB@J. Z#####     .:   .  .
                                                                                                                                                           .      J###@2###K   .,    M###SBW#@HB@####EE###J ,1 .1EKJi3KEK,  W####
                                                                                                                                                                     M##MSH##S    1   .M###g@W###HBHE##S:iMH##@7 ;HW@ .igHB2  .####1     .  .
                                                                                                                                                                       3###HB###    :    Z###E@B###@##W BE3WWM###. ;###3 1XBHg2 ;E####       .  .
                                                                                                                                                                         :g###EM##E   .,    ####g@M#EZ.WX2EWBg@H###2  M##7 ,XZJH3  @#####      .   .
                                                                                                                                                                  .         1W#MBE##W,   1   3###### 2E3Kg#BBH@@gg###:  ###i.122KHX,  H###B
                                                                                                                                                               ,,    ...    i7ZH###K###         ### W#Wg##@B@gHHEEKKH##M  3#E7 J22ZSKK  :####X      :,
                                                                                                                                                                  ,         #ME ;XW#EZ####        .M; .#WBMgBEBKKH@HWX@##E; M##177JJ13E3  1#####       .
                                                                                                                                                                    .,     X ,7#B7 ZM#MK@###g   XMM###B XE##BgBHB@g@EBBB@M##   ##g732X.;13   X####W
                                                                                                                                                                         ###X  7M##  ;###MB###7   .,M###Z, H##EggME@SEEE@B@K##E  i#313:::;33;   #####i    , .:   :
                                                                                                                                                                  ,.  H##@XK#3  ,7J#B; ;S##WHM###     ,S###, :E#MKK@Egg@HBBW@BM##3 :1i7117,,iJ3,  3####K
                                                                                                                                                               .      2KMXS2#7. XXJ2KEK3;7@HMEgH###B    ;1###S,3@#MHg@BBK@@@BBgS###X;  ;7i1i7,,i27  ,X####K      ,
                                                                                                                                                                 .  .  ,#i1ggEM   1HBBMgJ7JZK#EEB@###g     J###S. @##E@@HHBHBBEB@gH###    .;777:  ,7   M####M.
                                                                                                                                                                        ###EX@M#J   .;KW##Z1;H@@XWWgB###S,    B###7 ,##M@BBEgBEKHEH@B###E   ;.  i,. 11.   #####g
                                                                                                                                                                         ###@SSB##M   :.:g##@g@E#B@HBKX####3    i###E 7@#MEW@B@@BBH@@K@###K:  W####: .73;   Z####B.
                                                                                                                                                                           X#WX2Xg##J   ,  :####WMMMHBK@EEB###    ,@###,.E##KgBH@ggg@H@gg####   ###X:iJ.;1i   ;######       ..       .   .
                                                                                                                                                                            :###XXHW##   :3   3#####M##BK@E7B##W     Z###7 1##W@@HWEHBEHBKgH##W       :17;33J1   H#####2        ..    .
                                                                                                                                                                               ###KSKH#WJ  72:   @####W##M@gS2E##M      ###@ 7K#WH@@@@@BHHB@KH###X   ;7::7.;;;J3    g####@.              .
                                                                                                                                                                                E##@KKKM##   J2i    ########EKSgW##E      1##W,,@#MH@@@@@BBBB@g@W###   ;:. 7ii,73J,   i#####          .
                                                                                                                                                                                  X##BXK@##H.  323:    #######MHKZW##i.     J###1.3M##@BBEBBHgBEgBH###K .12;,;;, ;3Ji    H#####       .  .
                                                                                                                                                                         .          E##@K2E##1  ,22Z,,    E####MMMBgB##E       ###K ;H#WB@K@WHB@B@@EB###7  ;SK1ii:,,i73i   Z#####B
                                                                                                                                                                                      ###gSKB##X  ,K2i.J    J######M@E###7  77   2### ,B##E@K@EWH@gg@@B####   @S1i3JJ:;i7;    2####Wi    .
                                                                                                                                                                                       :##BXZBM##,  :1371JZ    E#####H#####@   ,   J###7 S##WgK@@BHH@gKgK@###;  71:.722ii7;,.   J#####,
                                                                                                                                                                                         :##W2ZK##B:  31;:7i1;    H###@KW####S   1    ###S 7E#MEB@BHEEEBHBg@###K   11  ,JZXK37:    M#####
                                                                                                                                                                                     .,    3##BKXB##1  .JJ3;i3i:     ###BHE####E, 11;   ;###.iXH#MEg@@HgKKHHgKW##E   i3,  .7S@B37    .####i
                                                                                                                                                                                             ###@JJX##M  .i1:.7iii3;    #####M####  ,3.   1###Z71KEWB@BEEHK@BH@gH###1   3i;   .KK@2;    H#.
                                                                                                                                                                                               @##@SJ@##.  ;13,,,i;;;1    i####M###@:  ;     ###H7:KMEgBgKW@g@WBgSgM##B   .,,:,i71K@Hg7  .     .
                                                                                                                                                                                                 ###BKXW##2  31;.,:71,;1      g##W#### S##:    ;###,;X##BKXEEBSgBg@@BW##M   ,i;Zi72i73######..
                                                                                                                                                                                                   ##WKS@M#B.  3X1,,,37: K###M; M##  ##S :JZ .   :###2 ZW#MB@E@@gE@KK@KK###1   32X7SgB.           ...
                                                                                                                                                                                                    K##BZZK###   J2i, ,711, : . ,J#   :####; iZJ    ###S. KMMEHHHg@@Bg@@XSE##B   3
                                                                                                                                                                                                       ##EgZ@##Z   iZ7ii:11,;3g:  i#g.    ###7Jg#K7   ;###i72HMWE@BB@@@gEBg@B##K
                                                                                                                                                                                                        ###MS3H##Z  :Z3:. .;:,.,,  K@#           XEM.   ;E##Z 2B##Bg@HEB@@@KE@2###i               ,.
                                                                                                                                                                                                  .       Z##gXX@##3  ,J1,,,:  ,;;  :MW            1MWg    H##B7,@##EggKH@@g@BHgg###E        ..
                                                                                                                                                                                                            ###KXJE##   :23,.7J :;;   #S2             J#@2    ### ,J#ME@KgBHB@gg@BgM###         .
                                                                                                                                                                                                              ###XKgH#M3  7X;,,37,,7: :B#i              7XWS;   S##g SE#MEBKK@EHHHKB@K###2        .
                                                                                                                                                                                                               3##BXSK##2   3i: ;1: ,; 1K#.    .          .ZH#i   S##Ki7EMWB@gg@@BHKgHHKg###,
                                                                                                                                                                                                           ,     7##EXJX##E  7Z1,.7i7,:  W#Z       .          ##W    ###:7X#WEWE@ggHH@@HWXH###3
                                                                                                                                                                                                             .     1##E@2H##   JJi ,;;i   HM#         .         2##J   2##K7X@HHBHK@@E@@@g@g@###7;
                                                                                                                                                                                                                     ###SSXg#MS  12. ,7ii  J#X                    1M#K   X##@J1MME@@BH@@@@BH@Kg####3
                                                                                                                                                                                                                 .    :E#BZKgE#g  .ZJ; ;i;  i#g    .  .              H##    ###:7X#ME@HEH@@gS@@BgBM#gX
                                                                                                                                                                                                                        ,###2Zg##M  ,@;. Ji  XM#   .                    #@7   2##g;Z@#EB@BBHMgK@g@@W## .
                                                                                                                                                                                                                          ,##EZ2E##   7ZJ ,7. J##                        ,ZK3   1##@17HMWE@gEggEB@@#BB
                                                                                                                                                                                                                            ###@XXE##S  :Xi,    ##X                         ,3K,   ###iiZM##@g@EgE##
                                                                                                                                                                                                           ..:         . .    ;##ES2B##.  1J1,  :##K                   .       11i   1##H.1gEMBXM##
                                                                                                                                                                                                                               :W##KSK###   32i  7W#                              71,  7g#MX2####@
                                                                                                                                                                                                                            ,     ###@SB##2  ,13,  ##M                         ,    :J.  :##g1iB     .
                                                                                                                                                                                                                       .      .    2E#WSX@##M  .3i  ###                               .;;7         ,
                                                                                                                                                                                                                           ,          ###KXB##i  7J 1                             .            .    ..
                                                                                                                                                                                                                       .               H##HKZM##   1 ;E                                           .
                                                                                                                                                                                                                                         ###EXKM#Mi  ,,g.                             ..   . .  .  ,
                                                                                                                                                                                                                                      .   ,B##gZS###   17i                                     .
                                                                                                                                                                                                                                     ,       ##BEXS##M  XE
                                                                                                                                                                                                                                  ,      .    ,##MBH### 71      .
                                                                                                                                                                                                                                                J###.
                                                                                                                                                                                                                                          ,.
                                                                                                                                                                                                                                                .     .

Most hones have a flexible portion as a component of their shaft, to assist in honing evenly.

These are most frequently used in an automotive context, either to smooth the walls of an engine's combustion chambers, or to do the same to the brake master and slave cylinders. Engine cylinder honing is typically done with a much larger and more complicated bench setup which will automatically hone the cylinder to a particular size.

Log in or register to write something here or to contact authors.