1. An insert-indexable tool comprising:
a holder; and
a head member having an insert mount seat by which an insert having a cutting edge and a cutting face is to be held, and mounted on a distal portion of the holder, wherein
the head member includes a first mount face and a second mount face intersect each other from a view facing toward the cutting face in a state in which the insert is held by the insert mount seat,
the holder includes, at the distal portion thereof, a first receiving face abutting the first mount face and a second receiving face abutting the second mount face,
the first receiving face and the second receiving face are respectively provided with a first fixing threaded hole and a second fixing threaded hole into which fixing screws inserted into the first mount face and the second mount face are screwed, and
the first fixing threaded hole and the second fixing threaded hole are located so that the fixing screws screwed into the first and second fixing threaded holes do not intersect each other.
2. The insert-indexable tool according to claim 1, wherein
the head member includes a first jaw having a pressing face, and a second jaw having a base face which faces the pressing face, the pressing face and the base face constituting the insert mount seat,
the insert is held by the insert mount seat while a surface on a side opposite to the cutting face is seated on the base face, and
the fixing screw is inserted into one of the first and second mount faces corresponding to the second jaw.
3. The insert-indexable tool according to claim 1, wherein
the first mount face is provided with a first insertion hole, and
in a state in which the first mount face abuts the first receiving face and the second mount face abuts the second receiving face, the first fixing threaded hole and the first insertion hole are arranged in an offset manner such that the first fixing threaded hole is located farther from the second receiving face than the first insertion hole.
4. The insert-indexable tool according to claim 1, wherein
the second mount face is provided with a second insertion hole, and
in a state in which the first mount face abuts the first receiving face and the second mount face abuts the second receiving face, the second fixing threaded hole and the second insertion hole are arranged in an offset manner such that the second fixing threaded hole is located farther from the first receiving face than the second insertion hole.
5. The insert-indexable tool according to claim 1, wherein
the holder includes a third receiving face oriented in a direction same as the cutting face, and
the head member includes a third mount face which is to be abutted with the third receiving face.
6. The insert-indexable tool according to claim 5, wherein, in a state in which the first mount face abuts the first receiving face and the second mount face abuts the second receiving face, at least one of the first fixing threaded hole and the second fixing threaded hole is arranged closer to the third receiving face than at least one of the first insertion hole and the second insertion hole into which the fixing screw or screws to be screwed into the at least one of the first fixing threaded hole and the second fixing threaded hole are inserted.
7. The insert-indexable tool according to claim 5, wherein
at least one of the first receiving face and the second receiving face is provided with a drawing threaded hole at a position farther from the other of the first receiving face and the second receiving face than the fixing threaded hole formed therein, and
the drawing threaded hole obliquely intersects at least one of the first receiving face and the second receiving face while gradually approaching the third receiving face as extending toward an inside of the holder.
8. The insert-indexable tool according to claim 5, wherein the third receiving face or an extension thereof extended in a direction along which the insert extends intersects the second receiving face.
9. The insert-indexable tool according to claim 5, the insert is disposed so as to at least partially overlap the third receiving face from a view facing toward the cutting face.
10. The insert-indexable tool according to claim 2, wherein a distal portion of the holder is provided with a clamping screw that elastically deforms the head member so that the first jaw and the second jaw approach each other, and the clamping screw obliquely extends, with respect to a direction facing toward the cutting face, away from the first receiving face as extending from the first jaw toward the second jaw.
11. The insert-indexable tool according to claim 1, wherein the first fixing threaded hole and the second fixing threaded hole are located at positions different from each other on a coordinate axis in parallel with a normal of the cutting face.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. An ink-jet recording ink set, comprising at least one recording liquid containing a colorant and a polymerizable compound and an ink spread suppressing liquid containing at least one surfactant and substantially no colorant, wherein all of the following conditions (A), (B) and (C) are satisfied:
(A) the surface tension of the ink spread suppressing liquid is smaller than that of at least one recording liquid contained in the ink-jet recording ink set;
(B) at least one of the surfactants contained in the ink spread suppressing liquid satisfies the following relationship:
\u03b3s(0)\u2212\u03b3s(saturated)>1 mNm; and
(C) the surface tension of the ink spread suppressing liquid satisfies the following relationship:
\u03b3s<(\u03b3s(0)+\u03b3s(saturated)max)2,
wherein, \u03b3s represents the surface tension of the ink spread suppressing liquid; \u03b3s(0) represents the surface tension of a liquid obtained by eliminating all surfactants from the ink spread suppressing liquid; \u03b3s(saturated) represents the saturated surface tension of the liquid obtained by eliminating all surfactants from the ink spread suppressing liquid when one of the surfactants contained in the ink spread suppressing liquid is added to the liquid obtained by eliminating all surfactants from the ink spread suppressing liquid until the surface tension thereof becomes saturated; and \u03b3s(saturated)max represents the maximum value of the \u03b3s(saturated) values of all surfactants satisfying the condition (B) contained in the ink spread suppressing liquid.
2. The ink-jet recording ink set of claim 1, wherein the surface tension of the ink spread suppressing liquid is lower than that of the recording liquid containing a colorant higher in visual sensitivity among the recording liquid contained in the ink-jet recording ink set.
3. The ink-jet recording ink set of claim 1, wherein the surface tension of the ink spread suppressing liquid is lower than that of any recording liquid contained in the ink-jet recording ink set.
4. The ink-jet recording ink set of claim 1, wherein the concentration Ms, in the ink spread suppressing liquid, of at least one surfactant among the surfactants contained in the ink spread suppressing liquid is larger than the concentration Mk, in the recording liquid, of said surfactant.
5. The ink-jet recording ink set of claim 1, wherein at least one of the recording liquid and the ink spread suppressing liquid contains a polymerization initiator.
6. The ink-jet recording ink set of claim 1, wherein the polymerizable compound is a radical-polymerization compound.
7. The ink-jet recording ink set of claim 1, wherein the polymerizable compound is insoluble in water.
8. An ink-jet recording method using an ink-jet recording ink set comprising at least one recording liquid containing a colorant and a polymerizable compound and an ink spread suppressing liquid containing at least one surfactant and substantially no colorant, the method comprising
forming an image on a recording medium by applying the recording liquid and the ink spread suppressing liquid; and
hardening the formed image by applying energy thereto,
wherein all of the following conditions (A), (B) and (C) are satisfied:
(A) the surface tension of the ink spread suppressing liquid is smaller than that of at least one recording liquid contained in the ink-jet recording ink set;
(B) at least one of the surfactants contained in the ink spread suppressing liquid satisfies the following relationship:
\u03b3s(0)\u2212\u03b3s(saturated)>1 mNm; and
(C) the surface tension of the ink spread suppressing liquid satisfies the following relationship:
\u03b3s<(\u03b3s(0)+\u03b3s(saturated)max)2,
wherein, ys represents the surface tension of the ink spread suppressing liquid; \u03b3s(0) represents the surface tension of a liquid obtained by eliminating all surfactants from the ink spread suppressing liquid; \u03b3s(saturated) represents the saturated surface tension of the liquid obtained by eliminating all surfactants from the ink spread suppressing liquid when one of the surfactants contained in the ink spread suppressing liquid is added to the liquid obtained by eliminating all surfactants from the ink spread suppressing liquid until the surface tension thereof becomes saturated; and \u03b3s(saturated)max represents the maximum value of the \u03b3s(saturated) values of all surfactants satisfying the condition (B) contained in the ink spread suppressing liquid.
9. The ink-jet recording method of claim 8, wherein the ink spread suppressing liquid is applied on an area corresponding to the image to be formed on the recording medium with droplets of the recording liquid or an area wider than the area corresponding to the image, before application of the droplets of the recording liquid.
10. The ink-jet recording method of claim 8, wherein the forming of the image on the recording medium by applying the recording liquid and the ink spread suppressing liquid is a single-pass process.
11. The ink-jet recording method of claim 8, wherein the energy is applied by photoirradiation or heating.
12. The ink-jet recording method of claim 8, wherein the energy is applied only once after the forming of the image.
13. The ink-jet recording method of claim 8, wherein the surface tension of the ink spread suppressing liquid is lower than that of the recording liquid containing a colorant higher in visual sensitivity among the recording liquid contained in the ink-jet recording ink set.
14. The ink-jet recording method of claim 8, wherein the surface tension of the ink spread suppressing liquid is lower than that of any recording liquid contained in the ink-jet recording ink set.
15. The ink-jet recording method of claim 8, wherein the concentration Ms, in the ink spread suppressing liquid, of at least one surfactant among the surfactants contained in the ink spread suppressing liquid is larger than the concentration Mk, in the recording liquid, of said surfactant.
16. The ink-jet recording method of claim 8, wherein at least one of the recording liquid and the ink spread suppressing liquid contains a polymerization initiator.
17. The ink-jet recording method of claim 8, wherein the polymerizable compound is a radical-polymerization compound.
18. The ink-jet recording method of claim 8, wherein the polymerizable compound is insoluble in water.